Home / 106,747.72-147,311.88-59,001.07

Finding the Fourth Proportional to 106,747.72, 147,311.88 and 59,001.07

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Solution

The fourth proportional to 106,747.72, 147,311.88 and 59,001.07 is: 81,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.72 : 147,311.88 = 59,001.07 : x
  2. Step 2: Convert to fraction form
    106,747.72/147,311.88 = 59,001.07/x
  3. Step 3: Cross multiply
    106,747.72x = 147,311.88 × 59,001.07
  4. Step 4: Simplify right side
    106,747.72x = 8,691,558,543.71
  5. Step 5: Solve for x
    x = 8,691,558,543.71/106,747.72
  6. Step 6: Final answer
    x = 81,421.49

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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.