Home / 77,131.96-115,710.92-24,557.56

Finding the Fourth Proportional to 77,131.96, 115,710.92 and 24,557.56

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Solution

The fourth proportional to 77,131.96, 115,710.92 and 24,557.56 is: 36,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,131.96 : 115,710.92 = 24,557.56 : x
  2. Step 2: Convert to fraction form
    77,131.96/115,710.92 = 24,557.56/x
  3. Step 3: Cross multiply
    77,131.96x = 115,710.92 × 24,557.56
  4. Step 4: Simplify right side
    77,131.96x = 2,841,577,860.56
  5. Step 5: Solve for x
    x = 2,841,577,860.56/77,131.96
  6. Step 6: Final answer
    x = 36,840.47

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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.