Home / 53,042.95-79,470.72-28,027.62

Finding the Fourth Proportional to 53,042.95, 79,470.72 and 28,027.62

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Solution

The fourth proportional to 53,042.95, 79,470.72 and 28,027.62 is: 41,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042.95 : 79,470.72 = 28,027.62 : x
  2. Step 2: Convert to fraction form
    53,042.95/79,470.72 = 28,027.62/x
  3. Step 3: Cross multiply
    53,042.95x = 79,470.72 × 28,027.62
  4. Step 4: Simplify right side
    53,042.95x = 2,227,375,141.29
  5. Step 5: Solve for x
    x = 2,227,375,141.29/53,042.95
  6. Step 6: Final answer
    x = 41,991.92

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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.