Home / 61,515.15-92,112.96-52,687.29

Finding the Fourth Proportional to 61,515.15, 92,112.96 and 52,687.29

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Solution

The fourth proportional to 61,515.15, 92,112.96 and 52,687.29 is: 78,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.15 : 92,112.96 = 52,687.29 : x
  2. Step 2: Convert to fraction form
    61,515.15/92,112.96 = 52,687.29/x
  3. Step 3: Cross multiply
    61,515.15x = 92,112.96 × 52,687.29
  4. Step 4: Simplify right side
    61,515.15x = 4,853,182,779.28
  5. Step 5: Solve for x
    x = 4,853,182,779.28/61,515.15
  6. Step 6: Final answer
    x = 78,894.11

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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.