Home / 52,042.66-78,063.87-40,213.63

Finding the Fourth Proportional to 52,042.66, 78,063.87 and 40,213.63

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Solution

The fourth proportional to 52,042.66, 78,063.87 and 40,213.63 is: 60,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.66 : 78,063.87 = 40,213.63 : x
  2. Step 2: Convert to fraction form
    52,042.66/78,063.87 = 40,213.63/x
  3. Step 3: Cross multiply
    52,042.66x = 78,063.87 × 40,213.63
  4. Step 4: Simplify right side
    52,042.66x = 3,139,231,584.55
  5. Step 5: Solve for x
    x = 3,139,231,584.55/52,042.66
  6. Step 6: Final answer
    x = 60,320.35

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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.