Home / 56,652.26-78,182.01-31,159.69

Finding the Fourth Proportional to 56,652.26, 78,182.01 and 31,159.69

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Solution

The fourth proportional to 56,652.26, 78,182.01 and 31,159.69 is: 43,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.26 : 78,182.01 = 31,159.69 : x
  2. Step 2: Convert to fraction form
    56,652.26/78,182.01 = 31,159.69/x
  3. Step 3: Cross multiply
    56,652.26x = 78,182.01 × 31,159.69
  4. Step 4: Simplify right side
    56,652.26x = 2,436,126,999.72
  5. Step 5: Solve for x
    x = 2,436,126,999.72/56,652.26
  6. Step 6: Final answer
    x = 43,001.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.