Home / 81,019.24-111,812.85-44,727.79

Finding the Fourth Proportional to 81,019.24, 111,812.85 and 44,727.79

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Solution

The fourth proportional to 81,019.24, 111,812.85 and 44,727.79 is: 61,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,019.24 : 111,812.85 = 44,727.79 : x
  2. Step 2: Convert to fraction form
    81,019.24/111,812.85 = 44,727.79/x
  3. Step 3: Cross multiply
    81,019.24x = 111,812.85 × 44,727.79
  4. Step 4: Simplify right side
    81,019.24x = 5,001,141,674.10
  5. Step 5: Solve for x
    x = 5,001,141,674.10/81,019.24
  6. Step 6: Final answer
    x = 61,727.83

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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.