Home / 99,033.38-136,666.29-56,591.81

Finding the Fourth Proportional to 99,033.38, 136,666.29 and 56,591.81

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Solution

The fourth proportional to 99,033.38, 136,666.29 and 56,591.81 is: 78,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.38 : 136,666.29 = 56,591.81 : x
  2. Step 2: Convert to fraction form
    99,033.38/136,666.29 = 56,591.81/x
  3. Step 3: Cross multiply
    99,033.38x = 136,666.29 × 56,591.81
  4. Step 4: Simplify right side
    99,033.38x = 7,734,192,434.13
  5. Step 5: Solve for x
    x = 7,734,192,434.13/99,033.38
  6. Step 6: Final answer
    x = 78,096.82

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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.