Home / 76,964.32-115,445.84-41,442.28

Finding the Fourth Proportional to 76,964.32, 115,445.84 and 41,442.28

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Solution

The fourth proportional to 76,964.32, 115,445.84 and 41,442.28 is: 62,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.32 : 115,445.84 = 41,442.28 : x
  2. Step 2: Convert to fraction form
    76,964.32/115,445.84 = 41,442.28/x
  3. Step 3: Cross multiply
    76,964.32x = 115,445.84 × 41,442.28
  4. Step 4: Simplify right side
    76,964.32x = 4,784,338,826.12
  5. Step 5: Solve for x
    x = 4,784,338,826.12/76,964.32
  6. Step 6: Final answer
    x = 62,163.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.