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Finding the Fourth Proportional to 79,959.71, 110,343.65 and 44,148.93

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Solution

The fourth proportional to 79,959.71, 110,343.65 and 44,148.93 is: 60,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,959.71 : 110,343.65 = 44,148.93 : x
  2. Step 2: Convert to fraction form
    79,959.71/110,343.65 = 44,148.93/x
  3. Step 3: Cross multiply
    79,959.71x = 110,343.65 × 44,148.93
  4. Step 4: Simplify right side
    79,959.71x = 4,871,553,859.05
  5. Step 5: Solve for x
    x = 4,871,553,859.05/79,959.71
  6. Step 6: Final answer
    x = 60,925.11

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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.