Home / 99,033.50-136,666.30-53,711.46

Finding the Fourth Proportional to 99,033.50, 136,666.30 and 53,711.46

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Solution

The fourth proportional to 99,033.50, 136,666.30 and 53,711.46 is: 74,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.50 : 136,666.30 = 53,711.46 : x
  2. Step 2: Convert to fraction form
    99,033.50/136,666.30 = 53,711.46/x
  3. Step 3: Cross multiply
    99,033.50x = 136,666.30 × 53,711.46
  4. Step 4: Simplify right side
    99,033.50x = 7,340,546,505.80
  5. Step 5: Solve for x
    x = 7,340,546,505.80/99,033.50
  6. Step 6: Final answer
    x = 74,121.85

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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.