Home / 77,278.14-115,960.27-41,738.74

Finding the Fourth Proportional to 77,278.14, 115,960.27 and 41,738.74

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Solution

The fourth proportional to 77,278.14, 115,960.27 and 41,738.74 is: 62,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278.14 : 115,960.27 = 41,738.74 : x
  2. Step 2: Convert to fraction form
    77,278.14/115,960.27 = 41,738.74/x
  3. Step 3: Cross multiply
    77,278.14x = 115,960.27 × 41,738.74
  4. Step 4: Simplify right side
    77,278.14x = 4,840,035,559.86
  5. Step 5: Solve for x
    x = 4,840,035,559.86/77,278.14
  6. Step 6: Final answer
    x = 62,631.37

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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.