Home / 49,877.55-74,720.34-31,164.93

Finding the Fourth Proportional to 49,877.55, 74,720.34 and 31,164.93

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Solution

The fourth proportional to 49,877.55, 74,720.34 and 31,164.93 is: 46,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.55 : 74,720.34 = 31,164.93 : x
  2. Step 2: Convert to fraction form
    49,877.55/74,720.34 = 31,164.93/x
  3. Step 3: Cross multiply
    49,877.55x = 74,720.34 × 31,164.93
  4. Step 4: Simplify right side
    49,877.55x = 2,328,654,165.68
  5. Step 5: Solve for x
    x = 2,328,654,165.68/49,877.55
  6. Step 6: Final answer
    x = 46,687.42

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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.