Home / 92,621.60-138,917.85-29,433.40

Finding the Fourth Proportional to 92,621.60, 138,917.85 and 29,433.40

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Solution

The fourth proportional to 92,621.60, 138,917.85 and 29,433.40 is: 44,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.60 : 138,917.85 = 29,433.40 : x
  2. Step 2: Convert to fraction form
    92,621.60/138,917.85 = 29,433.40/x
  3. Step 3: Cross multiply
    92,621.60x = 138,917.85 × 29,433.40
  4. Step 4: Simplify right side
    92,621.60x = 4,088,823,951.60
  5. Step 5: Solve for x
    x = 4,088,823,951.60/92,621.60
  6. Step 6: Final answer
    x = 44,145.47

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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.