Home / 81,350.83-112,266.48-45,540.64

Finding the Fourth Proportional to 81,350.83, 112,266.48 and 45,540.64

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Solution

The fourth proportional to 81,350.83, 112,266.48 and 45,540.64 is: 62,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350.83 : 112,266.48 = 45,540.64 : x
  2. Step 2: Convert to fraction form
    81,350.83/112,266.48 = 45,540.64/x
  3. Step 3: Cross multiply
    81,350.83x = 112,266.48 × 45,540.64
  4. Step 4: Simplify right side
    81,350.83x = 5,112,687,349.75
  5. Step 5: Solve for x
    x = 5,112,687,349.75/81,350.83
  6. Step 6: Final answer
    x = 62,847.39

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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.