Home / 88,028.52-121,460.36-52,230.38

Finding the Fourth Proportional to 88,028.52, 121,460.36 and 52,230.38

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Solution

The fourth proportional to 88,028.52, 121,460.36 and 52,230.38 is: 72,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.52 : 121,460.36 = 52,230.38 : x
  2. Step 2: Convert to fraction form
    88,028.52/121,460.36 = 52,230.38/x
  3. Step 3: Cross multiply
    88,028.52x = 121,460.36 × 52,230.38
  4. Step 4: Simplify right side
    88,028.52x = 6,343,919,889.28
  5. Step 5: Solve for x
    x = 6,343,919,889.28/88,028.52
  6. Step 6: Final answer
    x = 72,066.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.