Home / 92,214.20-138,211.95-82,810.10

Finding the Fourth Proportional to 92,214.20, 138,211.95 and 82,810.10

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Solution

The fourth proportional to 92,214.20, 138,211.95 and 82,810.10 is: 124,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,214.20 : 138,211.95 = 82,810.10 : x
  2. Step 2: Convert to fraction form
    92,214.20/138,211.95 = 82,810.10/x
  3. Step 3: Cross multiply
    92,214.20x = 138,211.95 × 82,810.10
  4. Step 4: Simplify right side
    92,214.20x = 11,445,345,400.70
  5. Step 5: Solve for x
    x = 11,445,345,400.70/92,214.20
  6. Step 6: Final answer
    x = 124,116.95

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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.