Home / 88,129.64-121,618.52-47,843.08

Finding the Fourth Proportional to 88,129.64, 121,618.52 and 47,843.08

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Solution

The fourth proportional to 88,129.64, 121,618.52 and 47,843.08 is: 66,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.64 : 121,618.52 = 47,843.08 : x
  2. Step 2: Convert to fraction form
    88,129.64/121,618.52 = 47,843.08/x
  3. Step 3: Cross multiply
    88,129.64x = 121,618.52 × 47,843.08
  4. Step 4: Simplify right side
    88,129.64x = 5,818,604,581.84
  5. Step 5: Solve for x
    x = 5,818,604,581.84/88,129.64
  6. Step 6: Final answer
    x = 66,023.24

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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.