Home / 71,539.92-98,729.40-41,330.80

Finding the Fourth Proportional to 71,539.92, 98,729.40 and 41,330.80

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Solution

The fourth proportional to 71,539.92, 98,729.40 and 41,330.80 is: 57,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539.92 : 98,729.40 = 41,330.80 : x
  2. Step 2: Convert to fraction form
    71,539.92/98,729.40 = 41,330.80/x
  3. Step 3: Cross multiply
    71,539.92x = 98,729.40 × 41,330.80
  4. Step 4: Simplify right side
    71,539.92x = 4,080,565,085.52
  5. Step 5: Solve for x
    x = 4,080,565,085.52/71,539.92
  6. Step 6: Final answer
    x = 57,038.99

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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.