Home / 51,115.14-70,549.38-29,899.62

Finding the Fourth Proportional to 51,115.14, 70,549.38 and 29,899.62

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Solution

The fourth proportional to 51,115.14, 70,549.38 and 29,899.62 is: 41,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,115.14 : 70,549.38 = 29,899.62 : x
  2. Step 2: Convert to fraction form
    51,115.14/70,549.38 = 29,899.62/x
  3. Step 3: Cross multiply
    51,115.14x = 70,549.38 × 29,899.62
  4. Step 4: Simplify right side
    51,115.14x = 2,109,399,653.24
  5. Step 5: Solve for x
    x = 2,109,399,653.24/51,115.14
  6. Step 6: Final answer
    x = 41,267.61

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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.