Home / 65,001.20-89,612.70-41,115.92

Finding the Fourth Proportional to 65,001.20, 89,612.70 and 41,115.92

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Solution

The fourth proportional to 65,001.20, 89,612.70 and 41,115.92 is: 56,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.20 : 89,612.70 = 41,115.92 : x
  2. Step 2: Convert to fraction form
    65,001.20/89,612.70 = 41,115.92/x
  3. Step 3: Cross multiply
    65,001.20x = 89,612.70 × 41,115.92
  4. Step 4: Simplify right side
    65,001.20x = 3,684,508,604.18
  5. Step 5: Solve for x
    x = 3,684,508,604.18/65,001.20
  6. Step 6: Final answer
    x = 56,683.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.