Home / 123,737.07-170,757.27-67,148.45

Finding the Fourth Proportional to 123,737.07, 170,757.27 and 67,148.45

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Solution

The fourth proportional to 123,737.07, 170,757.27 and 67,148.45 is: 92,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,737.07 : 170,757.27 = 67,148.45 : x
  2. Step 2: Convert to fraction form
    123,737.07/170,757.27 = 67,148.45/x
  3. Step 3: Cross multiply
    123,737.07x = 170,757.27 × 67,148.45
  4. Step 4: Simplify right side
    123,737.07x = 11,466,084,817.20
  5. Step 5: Solve for x
    x = 11,466,084,817.20/123,737.07
  6. Step 6: Final answer
    x = 92,664.91

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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.