Home / 78,723.87-108,635.01-44,727.86

Finding the Fourth Proportional to 78,723.87, 108,635.01 and 44,727.86

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Solution

The fourth proportional to 78,723.87, 108,635.01 and 44,727.86 is: 61,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,723.87 : 108,635.01 = 44,727.86 : x
  2. Step 2: Convert to fraction form
    78,723.87/108,635.01 = 44,727.86/x
  3. Step 3: Cross multiply
    78,723.87x = 108,635.01 × 44,727.86
  4. Step 4: Simplify right side
    78,723.87x = 4,859,011,622.24
  5. Step 5: Solve for x
    x = 4,859,011,622.24/78,723.87
  6. Step 6: Final answer
    x = 61,722.22

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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.