Home / 77,854.28-107,439.72-44,322.44

Finding the Fourth Proportional to 77,854.28, 107,439.72 and 44,322.44

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Solution

The fourth proportional to 77,854.28, 107,439.72 and 44,322.44 is: 61,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.28 : 107,439.72 = 44,322.44 : x
  2. Step 2: Convert to fraction form
    77,854.28/107,439.72 = 44,322.44/x
  3. Step 3: Cross multiply
    77,854.28x = 107,439.72 × 44,322.44
  4. Step 4: Simplify right side
    77,854.28x = 4,761,990,543.32
  5. Step 5: Solve for x
    x = 4,761,990,543.32/77,854.28
  6. Step 6: Final answer
    x = 61,165.43

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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.