Home / 54,990.12-75,920.76-37,792.11

Finding the Fourth Proportional to 54,990.12, 75,920.76 and 37,792.11

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Solution

The fourth proportional to 54,990.12, 75,920.76 and 37,792.11 is: 52,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.12 : 75,920.76 = 37,792.11 : x
  2. Step 2: Convert to fraction form
    54,990.12/75,920.76 = 37,792.11/x
  3. Step 3: Cross multiply
    54,990.12x = 75,920.76 × 37,792.11
  4. Step 4: Simplify right side
    54,990.12x = 2,869,205,713.20
  5. Step 5: Solve for x
    x = 2,869,205,713.20/54,990.12
  6. Step 6: Final answer
    x = 52,176.75

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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.