Home / 51,399.15-77,063.63-27,387.06

Finding the Fourth Proportional to 51,399.15, 77,063.63 and 27,387.06

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Solution

The fourth proportional to 51,399.15, 77,063.63 and 27,387.06 is: 41,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,399.15 : 77,063.63 = 27,387.06 : x
  2. Step 2: Convert to fraction form
    51,399.15/77,063.63 = 27,387.06/x
  3. Step 3: Cross multiply
    51,399.15x = 77,063.63 × 27,387.06
  4. Step 4: Simplify right side
    51,399.15x = 2,110,546,121.69
  5. Step 5: Solve for x
    x = 2,110,546,121.69/51,399.15
  6. Step 6: Final answer
    x = 41,061.89

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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.