Home / 80,544.05-111,162.92-57,957.81

Finding the Fourth Proportional to 80,544.05, 111,162.92 and 57,957.81

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Solution

The fourth proportional to 80,544.05, 111,162.92 and 57,957.81 is: 79,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,544.05 : 111,162.92 = 57,957.81 : x
  2. Step 2: Convert to fraction form
    80,544.05/111,162.92 = 57,957.81/x
  3. Step 3: Cross multiply
    80,544.05x = 111,162.92 × 57,957.81
  4. Step 4: Simplify right side
    80,544.05x = 6,442,758,689.76
  5. Step 5: Solve for x
    x = 6,442,758,689.76/80,544.05
  6. Step 6: Final answer
    x = 79,990.50

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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.