Home / 81,154.04-111,998.36-44,854.70

Finding the Fourth Proportional to 81,154.04, 111,998.36 and 44,854.70

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Solution

The fourth proportional to 81,154.04, 111,998.36 and 44,854.70 is: 61,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,154.04 : 111,998.36 = 44,854.70 : x
  2. Step 2: Convert to fraction form
    81,154.04/111,998.36 = 44,854.70/x
  3. Step 3: Cross multiply
    81,154.04x = 111,998.36 × 44,854.70
  4. Step 4: Simplify right side
    81,154.04x = 5,023,653,230.42
  5. Step 5: Solve for x
    x = 5,023,653,230.42/81,154.04
  6. Step 6: Final answer
    x = 61,902.69

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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.