Home / 47,120.76-70,689.81-15,532.71

Finding the Fourth Proportional to 47,120.76, 70,689.81 and 15,532.71

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Solution

The fourth proportional to 47,120.76, 70,689.81 and 15,532.71 is: 23,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.76 : 70,689.81 = 15,532.71 : x
  2. Step 2: Convert to fraction form
    47,120.76/70,689.81 = 15,532.71/x
  3. Step 3: Cross multiply
    47,120.76x = 70,689.81 × 15,532.71
  4. Step 4: Simplify right side
    47,120.76x = 1,098,004,318.69
  5. Step 5: Solve for x
    x = 1,098,004,318.69/47,120.76
  6. Step 6: Final answer
    x = 23,301.92

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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.