Home / 88,124.49-121,612.51-48,834.13

Finding the Fourth Proportional to 88,124.49, 121,612.51 and 48,834.13

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Solution

The fourth proportional to 88,124.49, 121,612.51 and 48,834.13 is: 67,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.49 : 121,612.51 = 48,834.13 : x
  2. Step 2: Convert to fraction form
    88,124.49/121,612.51 = 48,834.13/x
  3. Step 3: Cross multiply
    88,124.49x = 121,612.51 × 48,834.13
  4. Step 4: Simplify right side
    88,124.49x = 5,938,840,514.90
  5. Step 5: Solve for x
    x = 5,938,840,514.90/88,124.49
  6. Step 6: Final answer
    x = 67,391.49

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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.