Home / 107,131.28-147,842.40-59,385.44

Finding the Fourth Proportional to 107,131.28, 147,842.40 and 59,385.44

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Solution

The fourth proportional to 107,131.28, 147,842.40 and 59,385.44 is: 81,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,131.28 : 147,842.40 = 59,385.44 : x
  2. Step 2: Convert to fraction form
    107,131.28/147,842.40 = 59,385.44/x
  3. Step 3: Cross multiply
    107,131.28x = 147,842.40 × 59,385.44
  4. Step 4: Simplify right side
    107,131.28x = 8,779,685,974.66
  5. Step 5: Solve for x
    x = 8,779,685,974.66/107,131.28
  6. Step 6: Final answer
    x = 81,952.59

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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.