Home / 68,904.60-103,356.90-24,581.40

Finding the Fourth Proportional to 68,904.60, 103,356.90 and 24,581.40

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Solution

The fourth proportional to 68,904.60, 103,356.90 and 24,581.40 is: 36,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.60 : 103,356.90 = 24,581.40 : x
  2. Step 2: Convert to fraction form
    68,904.60/103,356.90 = 24,581.40/x
  3. Step 3: Cross multiply
    68,904.60x = 103,356.90 × 24,581.40
  4. Step 4: Simplify right side
    68,904.60x = 2,540,657,301.66
  5. Step 5: Solve for x
    x = 2,540,657,301.66/68,904.60
  6. Step 6: Final answer
    x = 36,872.10

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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.