Home / 112,966.52-169,331.52-38,060.78

Finding the Fourth Proportional to 112,966.52, 169,331.52 and 38,060.78

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Solution

The fourth proportional to 112,966.52, 169,331.52 and 38,060.78 is: 57,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.52 : 169,331.52 = 38,060.78 : x
  2. Step 2: Convert to fraction form
    112,966.52/169,331.52 = 38,060.78/x
  3. Step 3: Cross multiply
    112,966.52x = 169,331.52 × 38,060.78
  4. Step 4: Simplify right side
    112,966.52x = 6,444,889,729.79
  5. Step 5: Solve for x
    x = 6,444,889,729.79/112,966.52
  6. Step 6: Final answer
    x = 57,051.33

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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.