Home / 81,788.91-112,924.58-60,281.25

Finding the Fourth Proportional to 81,788.91, 112,924.58 and 60,281.25

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Solution

The fourth proportional to 81,788.91, 112,924.58 and 60,281.25 is: 83,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,788.91 : 112,924.58 = 60,281.25 : x
  2. Step 2: Convert to fraction form
    81,788.91/112,924.58 = 60,281.25/x
  3. Step 3: Cross multiply
    81,788.91x = 112,924.58 × 60,281.25
  4. Step 4: Simplify right side
    81,788.91x = 6,807,234,536.72
  5. Step 5: Solve for x
    x = 6,807,234,536.72/81,788.91
  6. Step 6: Final answer
    x = 83,229.31

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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.