Home / 53,934.30-80,998.65-39,159.90

Finding the Fourth Proportional to 53,934.30, 80,998.65 and 39,159.90

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Solution

The fourth proportional to 53,934.30, 80,998.65 and 39,159.90 is: 58,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.30 : 80,998.65 = 39,159.90 : x
  2. Step 2: Convert to fraction form
    53,934.30/80,998.65 = 39,159.90/x
  3. Step 3: Cross multiply
    53,934.30x = 80,998.65 × 39,159.90
  4. Step 4: Simplify right side
    53,934.30x = 3,171,899,034.14
  5. Step 5: Solve for x
    x = 3,171,899,034.14/53,934.30
  6. Step 6: Final answer
    x = 58,810.42

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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.