Home / 88,318.44-121,910.75-52,508.28

Finding the Fourth Proportional to 88,318.44, 121,910.75 and 52,508.28

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Solution

The fourth proportional to 88,318.44, 121,910.75 and 52,508.28 is: 72,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,318.44 : 121,910.75 = 52,508.28 : x
  2. Step 2: Convert to fraction form
    88,318.44/121,910.75 = 52,508.28/x
  3. Step 3: Cross multiply
    88,318.44x = 121,910.75 × 52,508.28
  4. Step 4: Simplify right side
    88,318.44x = 6,401,323,533.47
  5. Step 5: Solve for x
    x = 6,401,323,533.47/88,318.44
  6. Step 6: Final answer
    x = 72,480.03

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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.