Home / 123,259.92-170,098.75-66,671.29

Finding the Fourth Proportional to 123,259.92, 170,098.75 and 66,671.29

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Solution

The fourth proportional to 123,259.92, 170,098.75 and 66,671.29 is: 92,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259.92 : 170,098.75 = 66,671.29 : x
  2. Step 2: Convert to fraction form
    123,259.92/170,098.75 = 66,671.29/x
  3. Step 3: Cross multiply
    123,259.92x = 170,098.75 × 66,671.29
  4. Step 4: Simplify right side
    123,259.92x = 11,340,703,089.89
  5. Step 5: Solve for x
    x = 11,340,703,089.89/123,259.92
  6. Step 6: Final answer
    x = 92,006.41

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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.