Home / 80,685.08-111,343.82-44,874.32

Finding the Fourth Proportional to 80,685.08, 111,343.82 and 44,874.32

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Solution

The fourth proportional to 80,685.08, 111,343.82 and 44,874.32 is: 61,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.08 : 111,343.82 = 44,874.32 : x
  2. Step 2: Convert to fraction form
    80,685.08/111,343.82 = 44,874.32/x
  3. Step 3: Cross multiply
    80,685.08x = 111,343.82 × 44,874.32
  4. Step 4: Simplify right side
    80,685.08x = 4,996,478,053.92
  5. Step 5: Solve for x
    x = 4,996,478,053.92/80,685.08
  6. Step 6: Final answer
    x = 61,925.68

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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.