Home / 113,558.76-170,345.43-38,658.06

Finding the Fourth Proportional to 113,558.76, 170,345.43 and 38,658.06

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Solution

The fourth proportional to 113,558.76, 170,345.43 and 38,658.06 is: 57,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,558.76 : 170,345.43 = 38,658.06 : x
  2. Step 2: Convert to fraction form
    113,558.76/170,345.43 = 38,658.06/x
  3. Step 3: Cross multiply
    113,558.76x = 170,345.43 × 38,658.06
  4. Step 4: Simplify right side
    113,558.76x = 6,585,223,853.67
  5. Step 5: Solve for x
    x = 6,585,223,853.67/113,558.76
  6. Step 6: Final answer
    x = 57,989.57

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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.