Home / 77,926.64-116,919.09-40,463.33

Finding the Fourth Proportional to 77,926.64, 116,919.09 and 40,463.33

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Solution

The fourth proportional to 77,926.64, 116,919.09 and 40,463.33 is: 60,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,926.64 : 116,919.09 = 40,463.33 : x
  2. Step 2: Convert to fraction form
    77,926.64/116,919.09 = 40,463.33/x
  3. Step 3: Cross multiply
    77,926.64x = 116,919.09 × 40,463.33
  4. Step 4: Simplify right side
    77,926.64x = 4,730,935,721.97
  5. Step 5: Solve for x
    x = 4,730,935,721.97/77,926.64
  6. Step 6: Final answer
    x = 60,710.12

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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.