Home / 106,909.91-147,534.82-59,165.88

Finding the Fourth Proportional to 106,909.91, 147,534.82 and 59,165.88

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Solution

The fourth proportional to 106,909.91, 147,534.82 and 59,165.88 is: 81,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,909.91 : 147,534.82 = 59,165.88 : x
  2. Step 2: Convert to fraction form
    106,909.91/147,534.82 = 59,165.88/x
  3. Step 3: Cross multiply
    106,909.91x = 147,534.82 × 59,165.88
  4. Step 4: Simplify right side
    106,909.91x = 8,729,026,754.77
  5. Step 5: Solve for x
    x = 8,729,026,754.77/106,909.91
  6. Step 6: Final answer
    x = 81,648.44

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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.