Home / 71,565.35-98,763.27-39,734.25

Finding the Fourth Proportional to 71,565.35, 98,763.27 and 39,734.25

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Solution

The fourth proportional to 71,565.35, 98,763.27 and 39,734.25 is: 54,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,565.35 : 98,763.27 = 39,734.25 : x
  2. Step 2: Convert to fraction form
    71,565.35/98,763.27 = 39,734.25/x
  3. Step 3: Cross multiply
    71,565.35x = 98,763.27 × 39,734.25
  4. Step 4: Simplify right side
    71,565.35x = 3,924,284,262.33
  5. Step 5: Solve for x
    x = 3,924,284,262.33/71,565.35
  6. Step 6: Final answer
    x = 54,834.98

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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.