Home / 80,529.36-111,132.01-44,722.70

Finding the Fourth Proportional to 80,529.36, 111,132.01 and 44,722.70

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Solution

The fourth proportional to 80,529.36, 111,132.01 and 44,722.70 is: 61,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.36 : 111,132.01 = 44,722.70 : x
  2. Step 2: Convert to fraction form
    80,529.36/111,132.01 = 44,722.70/x
  3. Step 3: Cross multiply
    80,529.36x = 111,132.01 × 44,722.70
  4. Step 4: Simplify right side
    80,529.36x = 4,970,123,877.36
  5. Step 5: Solve for x
    x = 4,970,123,877.36/80,529.36
  6. Step 6: Final answer
    x = 61,718.16

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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.