Home / 88,269.14-121,781.76-50,025.68

Finding the Fourth Proportional to 88,269.14, 121,781.76 and 50,025.68

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Solution

The fourth proportional to 88,269.14, 121,781.76 and 50,025.68 is: 69,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.14 : 121,781.76 = 50,025.68 : x
  2. Step 2: Convert to fraction form
    88,269.14/121,781.76 = 50,025.68/x
  3. Step 3: Cross multiply
    88,269.14x = 121,781.76 × 50,025.68
  4. Step 4: Simplify right side
    88,269.14x = 6,092,215,445.29
  5. Step 5: Solve for x
    x = 6,092,215,445.29/88,269.14
  6. Step 6: Final answer
    x = 69,018.64

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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.