Home / 47,757.16-71,626.55-45,386.39

Finding the Fourth Proportional to 47,757.16, 71,626.55 and 45,386.39

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Solution

The fourth proportional to 47,757.16, 71,626.55 and 45,386.39 is: 68,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757.16 : 71,626.55 = 45,386.39 : x
  2. Step 2: Convert to fraction form
    47,757.16/71,626.55 = 45,386.39/x
  3. Step 3: Cross multiply
    47,757.16x = 71,626.55 × 45,386.39
  4. Step 4: Simplify right side
    47,757.16x = 3,250,870,484.79
  5. Step 5: Solve for x
    x = 3,250,870,484.79/47,757.16
  6. Step 6: Final answer
    x = 68,070.85

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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.