Home / 80,956.13-111,719.71-44,656.70

Finding the Fourth Proportional to 80,956.13, 111,719.71 and 44,656.70

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Solution

The fourth proportional to 80,956.13, 111,719.71 and 44,656.70 is: 61,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,956.13 : 111,719.71 = 44,656.70 : x
  2. Step 2: Convert to fraction form
    80,956.13/111,719.71 = 44,656.70/x
  3. Step 3: Cross multiply
    80,956.13x = 111,719.71 × 44,656.70
  4. Step 4: Simplify right side
    80,956.13x = 4,989,033,741.21
  5. Step 5: Solve for x
    x = 4,989,033,741.21/80,956.13
  6. Step 6: Final answer
    x = 61,626.38

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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.