Home / 52,541.46-78,708.51-39,408.66

Finding the Fourth Proportional to 52,541.46, 78,708.51 and 39,408.66

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Solution

The fourth proportional to 52,541.46, 78,708.51 and 39,408.66 is: 59,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.46 : 78,708.51 = 39,408.66 : x
  2. Step 2: Convert to fraction form
    52,541.46/78,708.51 = 39,408.66/x
  3. Step 3: Cross multiply
    52,541.46x = 78,708.51 × 39,408.66
  4. Step 4: Simplify right side
    52,541.46x = 3,101,796,909.70
  5. Step 5: Solve for x
    x = 3,101,796,909.70/52,541.46
  6. Step 6: Final answer
    x = 59,035.22

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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.