Home / 92,462.20-138,612.30-62,783.80

Finding the Fourth Proportional to 92,462.20, 138,612.30 and 62,783.80

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Solution

The fourth proportional to 92,462.20, 138,612.30 and 62,783.80 is: 94,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,462.20 : 138,612.30 = 62,783.80 : x
  2. Step 2: Convert to fraction form
    92,462.20/138,612.30 = 62,783.80/x
  3. Step 3: Cross multiply
    92,462.20x = 138,612.30 × 62,783.80
  4. Step 4: Simplify right side
    92,462.20x = 8,702,606,920.74
  5. Step 5: Solve for x
    x = 8,702,606,920.74/92,462.20
  6. Step 6: Final answer
    x = 94,120.70

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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.