Home / 45,145.16-62,279.66-29,234.74

Finding the Fourth Proportional to 45,145.16, 62,279.66 and 29,234.74

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Solution

The fourth proportional to 45,145.16, 62,279.66 and 29,234.74 is: 40,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,145.16 : 62,279.66 = 29,234.74 : x
  2. Step 2: Convert to fraction form
    45,145.16/62,279.66 = 29,234.74/x
  3. Step 3: Cross multiply
    45,145.16x = 62,279.66 × 29,234.74
  4. Step 4: Simplify right side
    45,145.16x = 1,820,729,537.11
  5. Step 5: Solve for x
    x = 1,820,729,537.11/45,145.16
  6. Step 6: Final answer
    x = 40,330.56

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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.