Home / 92,531.19-138,776.03-42,563.30

Finding the Fourth Proportional to 92,531.19, 138,776.03 and 42,563.30

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Solution

The fourth proportional to 92,531.19, 138,776.03 and 42,563.30 is: 63,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,531.19 : 138,776.03 = 42,563.30 : x
  2. Step 2: Convert to fraction form
    92,531.19/138,776.03 = 42,563.30/x
  3. Step 3: Cross multiply
    92,531.19x = 138,776.03 × 42,563.30
  4. Step 4: Simplify right side
    92,531.19x = 5,906,765,797.70
  5. Step 5: Solve for x
    x = 5,906,765,797.70/92,531.19
  6. Step 6: Final answer
    x = 63,835.40

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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.