Home / 40,772.70-61,159.05-11,195.10

Finding the Fourth Proportional to 40,772.70, 61,159.05 and 11,195.10

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Solution

The fourth proportional to 40,772.70, 61,159.05 and 11,195.10 is: 16,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.70 : 61,159.05 = 11,195.10 : x
  2. Step 2: Convert to fraction form
    40,772.70/61,159.05 = 11,195.10/x
  3. Step 3: Cross multiply
    40,772.70x = 61,159.05 × 11,195.10
  4. Step 4: Simplify right side
    40,772.70x = 684,681,680.66
  5. Step 5: Solve for x
    x = 684,681,680.66/40,772.70
  6. Step 6: Final answer
    x = 16,792.65

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1.5x scale

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.