Home / 83,105.08-124,583.52-30,502.36

Finding the Fourth Proportional to 83,105.08, 124,583.52 and 30,502.36

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Solution

The fourth proportional to 83,105.08, 124,583.52 and 30,502.36 is: 45,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,105.08 : 124,583.52 = 30,502.36 : x
  2. Step 2: Convert to fraction form
    83,105.08/124,583.52 = 30,502.36/x
  3. Step 3: Cross multiply
    83,105.08x = 124,583.52 × 30,502.36
  4. Step 4: Simplify right side
    83,105.08x = 3,800,091,377.11
  5. Step 5: Solve for x
    x = 3,800,091,377.11/83,105.08
  6. Step 6: Final answer
    x = 45,726.34

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1.5x scale

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.