Home / 107,945.28-161,937.36-51,737.76

Finding the Fourth Proportional to 107,945.28, 161,937.36 and 51,737.76

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Solution

The fourth proportional to 107,945.28, 161,937.36 and 51,737.76 is: 77,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,945.28 : 161,937.36 = 51,737.76 : x
  2. Step 2: Convert to fraction form
    107,945.28/161,937.36 = 51,737.76/x
  3. Step 3: Cross multiply
    107,945.28x = 161,937.36 × 51,737.76
  4. Step 4: Simplify right side
    107,945.28x = 8,378,276,266.71
  5. Step 5: Solve for x
    x = 8,378,276,266.71/107,945.28
  6. Step 6: Final answer
    x = 77,615.96

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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.