Home / 113,585.90-170,381.48-54,356.47

Finding the Fourth Proportional to 113,585.90, 170,381.48 and 54,356.47

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Solution

The fourth proportional to 113,585.90, 170,381.48 and 54,356.47 is: 81,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,585.90 : 170,381.48 = 54,356.47 : x
  2. Step 2: Convert to fraction form
    113,585.90/170,381.48 = 54,356.47/x
  3. Step 3: Cross multiply
    113,585.90x = 170,381.48 × 54,356.47
  4. Step 4: Simplify right side
    113,585.90x = 9,261,335,108.44
  5. Step 5: Solve for x
    x = 9,261,335,108.44/113,585.90
  6. Step 6: Final answer
    x = 81,535.96

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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.