Home / 51,350.70-77,026.05-47,073.90

Finding the Fourth Proportional to 51,350.70, 77,026.05 and 47,073.90

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Solution

The fourth proportional to 51,350.70, 77,026.05 and 47,073.90 is: 70,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.70 : 77,026.05 = 47,073.90 : x
  2. Step 2: Convert to fraction form
    51,350.70/77,026.05 = 47,073.90/x
  3. Step 3: Cross multiply
    51,350.70x = 77,026.05 × 47,073.90
  4. Step 4: Simplify right side
    51,350.70x = 3,625,916,575.10
  5. Step 5: Solve for x
    x = 3,625,916,575.10/51,350.70
  6. Step 6: Final answer
    x = 70,610.85

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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.