Home / 77,326.47-115,956.90-27,419.13

Finding the Fourth Proportional to 77,326.47, 115,956.90 and 27,419.13

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Solution

The fourth proportional to 77,326.47, 115,956.90 and 27,419.13 is: 41,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.47 : 115,956.90 = 27,419.13 : x
  2. Step 2: Convert to fraction form
    77,326.47/115,956.90 = 27,419.13/x
  3. Step 3: Cross multiply
    77,326.47x = 115,956.90 × 27,419.13
  4. Step 4: Simplify right side
    77,326.47x = 3,179,437,315.50
  5. Step 5: Solve for x
    x = 3,179,437,315.50/77,326.47
  6. Step 6: Final answer
    x = 41,117.06

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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.