Home / 63,941.12-88,324.84-57,979.52

Finding the Fourth Proportional to 63,941.12, 88,324.84 and 57,979.52

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Solution

The fourth proportional to 63,941.12, 88,324.84 and 57,979.52 is: 80,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,941.12 : 88,324.84 = 57,979.52 : x
  2. Step 2: Convert to fraction form
    63,941.12/88,324.84 = 57,979.52/x
  3. Step 3: Cross multiply
    63,941.12x = 88,324.84 × 57,979.52
  4. Step 4: Simplify right side
    63,941.12x = 5,121,031,827.28
  5. Step 5: Solve for x
    x = 5,121,031,827.28/63,941.12
  6. Step 6: Final answer
    x = 80,089.80

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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.