Home / 77,925.05-107,531.17-43,934.75

Finding the Fourth Proportional to 77,925.05, 107,531.17 and 43,934.75

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Solution

The fourth proportional to 77,925.05, 107,531.17 and 43,934.75 is: 60,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,925.05 : 107,531.17 = 43,934.75 : x
  2. Step 2: Convert to fraction form
    77,925.05/107,531.17 = 43,934.75/x
  3. Step 3: Cross multiply
    77,925.05x = 107,531.17 × 43,934.75
  4. Step 4: Simplify right side
    77,925.05x = 4,724,354,423.66
  5. Step 5: Solve for x
    x = 4,724,354,423.66/77,925.05
  6. Step 6: Final answer
    x = 60,626.91

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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.