Home / 81,747.56-112,814.94-45,937.46

Finding the Fourth Proportional to 81,747.56, 112,814.94 and 45,937.46

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Solution

The fourth proportional to 81,747.56, 112,814.94 and 45,937.46 is: 63,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,747.56 : 112,814.94 = 45,937.46 : x
  2. Step 2: Convert to fraction form
    81,747.56/112,814.94 = 45,937.46/x
  3. Step 3: Cross multiply
    81,747.56x = 112,814.94 × 45,937.46
  4. Step 4: Simplify right side
    81,747.56x = 5,182,431,793.65
  5. Step 5: Solve for x
    x = 5,182,431,793.65/81,747.56
  6. Step 6: Final answer
    x = 63,395.55

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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.