Home / 84,395.64-126,545.49-34,417.20

Finding the Fourth Proportional to 84,395.64, 126,545.49 and 34,417.20

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Solution

The fourth proportional to 84,395.64, 126,545.49 and 34,417.20 is: 51,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,395.64 : 126,545.49 = 34,417.20 : x
  2. Step 2: Convert to fraction form
    84,395.64/126,545.49 = 34,417.20/x
  3. Step 3: Cross multiply
    84,395.64x = 126,545.49 × 34,417.20
  4. Step 4: Simplify right side
    84,395.64x = 4,355,341,438.43
  5. Step 5: Solve for x
    x = 4,355,341,438.43/84,395.64
  6. Step 6: Final answer
    x = 51,606.24

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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.