Home / 124,039.38-171,178.85-71,057.62

Finding the Fourth Proportional to 124,039.38, 171,178.85 and 71,057.62

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Solution

The fourth proportional to 124,039.38, 171,178.85 and 71,057.62 is: 98,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,039.38 : 171,178.85 = 71,057.62 : x
  2. Step 2: Convert to fraction form
    124,039.38/171,178.85 = 71,057.62/x
  3. Step 3: Cross multiply
    124,039.38x = 171,178.85 × 71,057.62
  4. Step 4: Simplify right side
    124,039.38x = 12,163,561,675.34
  5. Step 5: Solve for x
    x = 12,163,561,675.34/124,039.38
  6. Step 6: Final answer
    x = 98,062.10

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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.