Home / 77,148.24-115,671.48-50,773.20

Finding the Fourth Proportional to 77,148.24, 115,671.48 and 50,773.20

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Solution

The fourth proportional to 77,148.24, 115,671.48 and 50,773.20 is: 76,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,148.24 : 115,671.48 = 50,773.20 : x
  2. Step 2: Convert to fraction form
    77,148.24/115,671.48 = 50,773.20/x
  3. Step 3: Cross multiply
    77,148.24x = 115,671.48 × 50,773.20
  4. Step 4: Simplify right side
    77,148.24x = 5,873,011,188.34
  5. Step 5: Solve for x
    x = 5,873,011,188.34/77,148.24
  6. Step 6: Final answer
    x = 76,126.31

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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.