Home / 113,772.18-170,531.08-42,626.36

Finding the Fourth Proportional to 113,772.18, 170,531.08 and 42,626.36

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Solution

The fourth proportional to 113,772.18, 170,531.08 and 42,626.36 is: 63,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,772.18 : 170,531.08 = 42,626.36 : x
  2. Step 2: Convert to fraction form
    113,772.18/170,531.08 = 42,626.36/x
  3. Step 3: Cross multiply
    113,772.18x = 170,531.08 × 42,626.36
  4. Step 4: Simplify right side
    113,772.18x = 7,269,119,207.27
  5. Step 5: Solve for x
    x = 7,269,119,207.27/113,772.18
  6. Step 6: Final answer
    x = 63,891.89

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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.