Home / 99,122.65-136,789.38-53,800.62

Finding the Fourth Proportional to 99,122.65, 136,789.38 and 53,800.62

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Solution

The fourth proportional to 99,122.65, 136,789.38 and 53,800.62 is: 74,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,122.65 : 136,789.38 = 53,800.62 : x
  2. Step 2: Convert to fraction form
    99,122.65/136,789.38 = 53,800.62/x
  3. Step 3: Cross multiply
    99,122.65x = 136,789.38 × 53,800.62
  4. Step 4: Simplify right side
    99,122.65x = 7,359,352,940.46
  5. Step 5: Solve for x
    x = 7,359,352,940.46/99,122.65
  6. Step 6: Final answer
    x = 74,244.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.