Home / 81,167.41-112,008.87-45,357.70

Finding the Fourth Proportional to 81,167.41, 112,008.87 and 45,357.70

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Solution

The fourth proportional to 81,167.41, 112,008.87 and 45,357.70 is: 62,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,167.41 : 112,008.87 = 45,357.70 : x
  2. Step 2: Convert to fraction form
    81,167.41/112,008.87 = 45,357.70/x
  3. Step 3: Cross multiply
    81,167.41x = 112,008.87 × 45,357.70
  4. Step 4: Simplify right side
    81,167.41x = 5,080,464,722.80
  5. Step 5: Solve for x
    x = 5,080,464,722.80/81,167.41
  6. Step 6: Final answer
    x = 62,592.42

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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.