Home / 123,748.02-170,772.39-67,159.38

Finding the Fourth Proportional to 123,748.02, 170,772.39 and 67,159.38

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Solution

The fourth proportional to 123,748.02, 170,772.39 and 67,159.38 is: 92,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,748.02 : 170,772.39 = 67,159.38 : x
  2. Step 2: Convert to fraction form
    123,748.02/170,772.39 = 67,159.38/x
  3. Step 3: Cross multiply
    123,748.02x = 170,772.39 × 67,159.38
  4. Step 4: Simplify right side
    123,748.02x = 11,468,967,833.52
  5. Step 5: Solve for x
    x = 11,468,967,833.52/123,748.02
  6. Step 6: Final answer
    x = 92,680.01

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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.