Home / 84,545.85-126,865.46-47,127

Finding the Fourth Proportional to 84,545.85, 126,865.46 and 47,127

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Solution

The fourth proportional to 84,545.85, 126,865.46 and 47,127 is: 70,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.85 : 126,865.46 = 47,127 : x
  2. Step 2: Convert to fraction form
    84,545.85/126,865.46 = 47,127/x
  3. Step 3: Cross multiply
    84,545.85x = 126,865.46 × 47,127
  4. Step 4: Simplify right side
    84,545.85x = 5,978,788,533.42
  5. Step 5: Solve for x
    x = 5,978,788,533.42/84,545.85
  6. Step 6: Final answer
    x = 70,716.52

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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.