Home / 89,890.02-124,060.14-54,099.90

Finding the Fourth Proportional to 89,890.02, 124,060.14 and 54,099.90

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Solution

The fourth proportional to 89,890.02, 124,060.14 and 54,099.90 is: 74,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890.02 : 124,060.14 = 54,099.90 : x
  2. Step 2: Convert to fraction form
    89,890.02/124,060.14 = 54,099.90/x
  3. Step 3: Cross multiply
    89,890.02x = 124,060.14 × 54,099.90
  4. Step 4: Simplify right side
    89,890.02x = 6,711,641,167.99
  5. Step 5: Solve for x
    x = 6,711,641,167.99/89,890.02
  6. Step 6: Final answer
    x = 74,665.03

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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.