Home / 53,936.28-80,877.15-31,454.19

Finding the Fourth Proportional to 53,936.28, 80,877.15 and 31,454.19

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Solution

The fourth proportional to 53,936.28, 80,877.15 and 31,454.19 is: 47,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,936.28 : 80,877.15 = 31,454.19 : x
  2. Step 2: Convert to fraction form
    53,936.28/80,877.15 = 31,454.19/x
  3. Step 3: Cross multiply
    53,936.28x = 80,877.15 × 31,454.19
  4. Step 4: Simplify right side
    53,936.28x = 2,543,925,242.76
  5. Step 5: Solve for x
    x = 2,543,925,242.76/53,936.28
  6. Step 6: Final answer
    x = 47,165.38

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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.