Home / 71,541.26-98,731.44-39,710.70

Finding the Fourth Proportional to 71,541.26, 98,731.44 and 39,710.70

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Solution

The fourth proportional to 71,541.26, 98,731.44 and 39,710.70 is: 54,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,541.26 : 98,731.44 = 39,710.70 : x
  2. Step 2: Convert to fraction form
    71,541.26/98,731.44 = 39,710.70/x
  3. Step 3: Cross multiply
    71,541.26x = 98,731.44 × 39,710.70
  4. Step 4: Simplify right side
    71,541.26x = 3,920,694,594.41
  5. Step 5: Solve for x
    x = 3,920,694,594.41/71,541.26
  6. Step 6: Final answer
    x = 54,803.26

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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.