Home / 71,524.85-98,701.49-39,695.81

Finding the Fourth Proportional to 71,524.85, 98,701.49 and 39,695.81

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Solution

The fourth proportional to 71,524.85, 98,701.49 and 39,695.81 is: 54,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,524.85 : 98,701.49 = 39,695.81 : x
  2. Step 2: Convert to fraction form
    71,524.85/98,701.49 = 39,695.81/x
  3. Step 3: Cross multiply
    71,524.85x = 98,701.49 × 39,695.81
  4. Step 4: Simplify right side
    71,524.85x = 3,918,035,199.49
  5. Step 5: Solve for x
    x = 3,918,035,199.49/71,524.85
  6. Step 6: Final answer
    x = 54,778.66

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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.