Home / 80,712.44-111,382.64-44,416.10

Finding the Fourth Proportional to 80,712.44, 111,382.64 and 44,416.10

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Solution

The fourth proportional to 80,712.44, 111,382.64 and 44,416.10 is: 61,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712.44 : 111,382.64 = 44,416.10 : x
  2. Step 2: Convert to fraction form
    80,712.44/111,382.64 = 44,416.10/x
  3. Step 3: Cross multiply
    80,712.44x = 111,382.64 × 44,416.10
  4. Step 4: Simplify right side
    80,712.44x = 4,947,182,476.50
  5. Step 5: Solve for x
    x = 4,947,182,476.50/80,712.44
  6. Step 6: Final answer
    x = 61,293.93

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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.