Home / 55,382.40-83,077.92-27,317.52

Finding the Fourth Proportional to 55,382.40, 83,077.92 and 27,317.52

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Solution

The fourth proportional to 55,382.40, 83,077.92 and 27,317.52 is: 40,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.40 : 83,077.92 = 27,317.52 : x
  2. Step 2: Convert to fraction form
    55,382.40/83,077.92 = 27,317.52/x
  3. Step 3: Cross multiply
    55,382.40x = 83,077.92 × 27,317.52
  4. Step 4: Simplify right side
    55,382.40x = 2,269,482,741.16
  5. Step 5: Solve for x
    x = 2,269,482,741.16/55,382.40
  6. Step 6: Final answer
    x = 40,978.41

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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.