Home / 77,324.10-115,752.72-69,932.04

Finding the Fourth Proportional to 77,324.10, 115,752.72 and 69,932.04

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Solution

The fourth proportional to 77,324.10, 115,752.72 and 69,932.04 is: 104,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,324.10 : 115,752.72 = 69,932.04 : x
  2. Step 2: Convert to fraction form
    77,324.10/115,752.72 = 69,932.04/x
  3. Step 3: Cross multiply
    77,324.10x = 115,752.72 × 69,932.04
  4. Step 4: Simplify right side
    77,324.10x = 8,094,823,845.15
  5. Step 5: Solve for x
    x = 8,094,823,845.15/77,324.10
  6. Step 6: Final answer
    x = 104,686.95

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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.