Home / 107,972.56-161,626.56-70,451.92

Finding the Fourth Proportional to 107,972.56, 161,626.56 and 70,451.92

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Solution

The fourth proportional to 107,972.56, 161,626.56 and 70,451.92 is: 105,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.56 : 161,626.56 = 70,451.92 : x
  2. Step 2: Convert to fraction form
    107,972.56/161,626.56 = 70,451.92/x
  3. Step 3: Cross multiply
    107,972.56x = 161,626.56 × 70,451.92
  4. Step 4: Simplify right side
    107,972.56x = 11,386,901,475.00
  5. Step 5: Solve for x
    x = 11,386,901,475.00/107,972.56
  6. Step 6: Final answer
    x = 105,461.07

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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.