Home / 113,586.90-170,382.98-54,357.47

Finding the Fourth Proportional to 113,586.90, 170,382.98 and 54,357.47

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Solution

The fourth proportional to 113,586.90, 170,382.98 and 54,357.47 is: 81,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,586.90 : 170,382.98 = 54,357.47 : x
  2. Step 2: Convert to fraction form
    113,586.90/170,382.98 = 54,357.47/x
  3. Step 3: Cross multiply
    113,586.90x = 170,382.98 × 54,357.47
  4. Step 4: Simplify right side
    113,586.90x = 9,261,587,723.86
  5. Step 5: Solve for x
    x = 9,261,587,723.86/113,586.90
  6. Step 6: Final answer
    x = 81,537.46

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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.