Home / 83,746.04-115,565.74-51,917.90

Finding the Fourth Proportional to 83,746.04, 115,565.74 and 51,917.90

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Solution

The fourth proportional to 83,746.04, 115,565.74 and 51,917.90 is: 71,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.04 : 115,565.74 = 51,917.90 : x
  2. Step 2: Convert to fraction form
    83,746.04/115,565.74 = 51,917.90/x
  3. Step 3: Cross multiply
    83,746.04x = 115,565.74 × 51,917.90
  4. Step 4: Simplify right side
    83,746.04x = 5,999,929,825.12
  5. Step 5: Solve for x
    x = 5,999,929,825.12/83,746.04
  6. Step 6: Final answer
    x = 71,644.35

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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.