Home / 83,124.23-124,728.05-38,754.45

Finding the Fourth Proportional to 83,124.23, 124,728.05 and 38,754.45

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Solution

The fourth proportional to 83,124.23, 124,728.05 and 38,754.45 is: 58,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,124.23 : 124,728.05 = 38,754.45 : x
  2. Step 2: Convert to fraction form
    83,124.23/124,728.05 = 38,754.45/x
  3. Step 3: Cross multiply
    83,124.23x = 124,728.05 × 38,754.45
  4. Step 4: Simplify right side
    83,124.23x = 4,833,767,074.21
  5. Step 5: Solve for x
    x = 4,833,767,074.21/83,124.23
  6. Step 6: Final answer
    x = 58,151.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.