Home / 123,324.50-170,189.02-66,737.10

Finding the Fourth Proportional to 123,324.50, 170,189.02 and 66,737.10

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Solution

The fourth proportional to 123,324.50, 170,189.02 and 66,737.10 is: 92,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,324.50 : 170,189.02 = 66,737.10 : x
  2. Step 2: Convert to fraction form
    123,324.50/170,189.02 = 66,737.10/x
  3. Step 3: Cross multiply
    123,324.50x = 170,189.02 × 66,737.10
  4. Step 4: Simplify right side
    123,324.50x = 11,357,921,646.64
  5. Step 5: Solve for x
    x = 11,357,921,646.64/123,324.50
  6. Step 6: Final answer
    x = 92,097.85

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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.