Home / 71,013.17-98,071.07-58,957.31

Finding the Fourth Proportional to 71,013.17, 98,071.07 and 58,957.31

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Solution

The fourth proportional to 71,013.17, 98,071.07 and 58,957.31 is: 81,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.17 : 98,071.07 = 58,957.31 : x
  2. Step 2: Convert to fraction form
    71,013.17/98,071.07 = 58,957.31/x
  3. Step 3: Cross multiply
    71,013.17x = 98,071.07 × 58,957.31
  4. Step 4: Simplify right side
    71,013.17x = 5,782,005,690.88
  5. Step 5: Solve for x
    x = 5,782,005,690.88/71,013.17
  6. Step 6: Final answer
    x = 81,421.60

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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.