Home / 77,382.06-106,799.19-43,404.30

Finding the Fourth Proportional to 77,382.06, 106,799.19 and 43,404.30

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Solution

The fourth proportional to 77,382.06, 106,799.19 and 43,404.30 is: 59,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.06 : 106,799.19 = 43,404.30 : x
  2. Step 2: Convert to fraction form
    77,382.06/106,799.19 = 43,404.30/x
  3. Step 3: Cross multiply
    77,382.06x = 106,799.19 × 43,404.30
  4. Step 4: Simplify right side
    77,382.06x = 4,635,544,082.52
  5. Step 5: Solve for x
    x = 4,635,544,082.52/77,382.06
  6. Step 6: Final answer
    x = 59,904.64

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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.