Home / 107,337.56-161,001.20-40,772.50

Finding the Fourth Proportional to 107,337.56, 161,001.20 and 40,772.50

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Solution

The fourth proportional to 107,337.56, 161,001.20 and 40,772.50 is: 61,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,337.56 : 161,001.20 = 40,772.50 : x
  2. Step 2: Convert to fraction form
    107,337.56/161,001.20 = 40,772.50/x
  3. Step 3: Cross multiply
    107,337.56x = 161,001.20 × 40,772.50
  4. Step 4: Simplify right side
    107,337.56x = 6,564,421,126.43
  5. Step 5: Solve for x
    x = 6,564,421,126.43/107,337.56
  6. Step 6: Final answer
    x = 61,156.80

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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.