Home / 88,275.39-121,819.53-50,042.15

Finding the Fourth Proportional to 88,275.39, 121,819.53 and 50,042.15

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Solution

The fourth proportional to 88,275.39, 121,819.53 and 50,042.15 is: 69,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.39 : 121,819.53 = 50,042.15 : x
  2. Step 2: Convert to fraction form
    88,275.39/121,819.53 = 50,042.15/x
  3. Step 3: Cross multiply
    88,275.39x = 121,819.53 × 50,042.15
  4. Step 4: Simplify right side
    88,275.39x = 6,096,111,193.19
  5. Step 5: Solve for x
    x = 6,096,111,193.19/88,275.39
  6. Step 6: Final answer
    x = 69,057.88

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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.