Home / 77,719.10-107,250.01-47,110.30

Finding the Fourth Proportional to 77,719.10, 107,250.01 and 47,110.30

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Solution

The fourth proportional to 77,719.10, 107,250.01 and 47,110.30 is: 65,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,719.10 : 107,250.01 = 47,110.30 : x
  2. Step 2: Convert to fraction form
    77,719.10/107,250.01 = 47,110.30/x
  3. Step 3: Cross multiply
    77,719.10x = 107,250.01 × 47,110.30
  4. Step 4: Simplify right side
    77,719.10x = 5,052,579,760.20
  5. Step 5: Solve for x
    x = 5,052,579,760.20/77,719.10
  6. Step 6: Final answer
    x = 65,010.79

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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.