Home / 77,579.30-116,340.12-27,646.13

Finding the Fourth Proportional to 77,579.30, 116,340.12 and 27,646.13

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Solution

The fourth proportional to 77,579.30, 116,340.12 and 27,646.13 is: 41,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,579.30 : 116,340.12 = 27,646.13 : x
  2. Step 2: Convert to fraction form
    77,579.30/116,340.12 = 27,646.13/x
  3. Step 3: Cross multiply
    77,579.30x = 116,340.12 × 27,646.13
  4. Step 4: Simplify right side
    77,579.30x = 3,216,353,500.04
  5. Step 5: Solve for x
    x = 3,216,353,500.04/77,579.30
  6. Step 6: Final answer
    x = 41,458.92

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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.