Home / 81,517.58-112,442.48-58,889.82

Finding the Fourth Proportional to 81,517.58, 112,442.48 and 58,889.82

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Solution

The fourth proportional to 81,517.58, 112,442.48 and 58,889.82 is: 81,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,517.58 : 112,442.48 = 58,889.82 : x
  2. Step 2: Convert to fraction form
    81,517.58/112,442.48 = 58,889.82/x
  3. Step 3: Cross multiply
    81,517.58x = 112,442.48 × 58,889.82
  4. Step 4: Simplify right side
    81,517.58x = 6,621,717,113.10
  5. Step 5: Solve for x
    x = 6,621,717,113.10/81,517.58
  6. Step 6: Final answer
    x = 81,230.55

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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.