Home / 84,545.24-126,864.53-47,126.37

Finding the Fourth Proportional to 84,545.24, 126,864.53 and 47,126.37

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Solution

The fourth proportional to 84,545.24, 126,864.53 and 47,126.37 is: 70,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.24 : 126,864.53 = 47,126.37 : x
  2. Step 2: Convert to fraction form
    84,545.24/126,864.53 = 47,126.37/x
  3. Step 3: Cross multiply
    84,545.24x = 126,864.53 × 47,126.37
  4. Step 4: Simplify right side
    84,545.24x = 5,978,664,545.02
  5. Step 5: Solve for x
    x = 5,978,664,545.02/84,545.24
  6. Step 6: Final answer
    x = 70,715.57

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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.