Home / 124,013.04-171,139.68-67,424.28

Finding the Fourth Proportional to 124,013.04, 171,139.68 and 67,424.28

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Solution

The fourth proportional to 124,013.04, 171,139.68 and 67,424.28 is: 93,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013.04 : 171,139.68 = 67,424.28 : x
  2. Step 2: Convert to fraction form
    124,013.04/171,139.68 = 67,424.28/x
  3. Step 3: Cross multiply
    124,013.04x = 171,139.68 × 67,424.28
  4. Step 4: Simplify right side
    124,013.04x = 11,538,969,703.43
  5. Step 5: Solve for x
    x = 11,538,969,703.43/124,013.04
  6. Step 6: Final answer
    x = 93,046.42

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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.