Home / 92,427.16-138,640.77-25,877.10

Finding the Fourth Proportional to 92,427.16, 138,640.77 and 25,877.10

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Solution

The fourth proportional to 92,427.16, 138,640.77 and 25,877.10 is: 38,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,427.16 : 138,640.77 = 25,877.10 : x
  2. Step 2: Convert to fraction form
    92,427.16/138,640.77 = 25,877.10/x
  3. Step 3: Cross multiply
    92,427.16x = 138,640.77 × 25,877.10
  4. Step 4: Simplify right side
    92,427.16x = 3,587,621,069.37
  5. Step 5: Solve for x
    x = 3,587,621,069.37/92,427.16
  6. Step 6: Final answer
    x = 38,815.66

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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.