Home / 89,901.72-124,060.17-51,634.35

Finding the Fourth Proportional to 89,901.72, 124,060.17 and 51,634.35

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Solution

The fourth proportional to 89,901.72, 124,060.17 and 51,634.35 is: 71,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,901.72 : 124,060.17 = 51,634.35 : x
  2. Step 2: Convert to fraction form
    89,901.72/124,060.17 = 51,634.35/x
  3. Step 3: Cross multiply
    89,901.72x = 124,060.17 × 51,634.35
  4. Step 4: Simplify right side
    89,901.72x = 6,405,766,238.84
  5. Step 5: Solve for x
    x = 6,405,766,238.84/89,901.72
  6. Step 6: Final answer
    x = 71,252.99

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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.