Home / 61,519.20-92,278.80-53,743.20

Finding the Fourth Proportional to 61,519.20, 92,278.80 and 53,743.20

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Solution

The fourth proportional to 61,519.20, 92,278.80 and 53,743.20 is: 80,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.20 : 92,278.80 = 53,743.20 : x
  2. Step 2: Convert to fraction form
    61,519.20/92,278.80 = 53,743.20/x
  3. Step 3: Cross multiply
    61,519.20x = 92,278.80 × 53,743.20
  4. Step 4: Simplify right side
    61,519.20x = 4,959,358,004.16
  5. Step 5: Solve for x
    x = 4,959,358,004.16/61,519.20
  6. Step 6: Final answer
    x = 80,614.80

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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.