Home / 92,290.70-138,436.05-62,766.20

Finding the Fourth Proportional to 92,290.70, 138,436.05 and 62,766.20

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Solution

The fourth proportional to 92,290.70, 138,436.05 and 62,766.20 is: 94,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,290.70 : 138,436.05 = 62,766.20 : x
  2. Step 2: Convert to fraction form
    92,290.70/138,436.05 = 62,766.20/x
  3. Step 3: Cross multiply
    92,290.70x = 138,436.05 × 62,766.20
  4. Step 4: Simplify right side
    92,290.70x = 8,689,104,801.51
  5. Step 5: Solve for x
    x = 8,689,104,801.51/92,290.70
  6. Step 6: Final answer
    x = 94,149.30

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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.