Home / 84,008.10-126,030.54-61,753.98

Finding the Fourth Proportional to 84,008.10, 126,030.54 and 61,753.98

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Solution

The fourth proportional to 84,008.10, 126,030.54 and 61,753.98 is: 92,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.10 : 126,030.54 = 61,753.98 : x
  2. Step 2: Convert to fraction form
    84,008.10/126,030.54 = 61,753.98/x
  3. Step 3: Cross multiply
    84,008.10x = 126,030.54 × 61,753.98
  4. Step 4: Simplify right side
    84,008.10x = 7,782,887,446.55
  5. Step 5: Solve for x
    x = 7,782,887,446.55/84,008.10
  6. Step 6: Final answer
    x = 92,644.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.