Home / 76,356.32-114,417.57-31,958.90

Finding the Fourth Proportional to 76,356.32, 114,417.57 and 31,958.90

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Solution

The fourth proportional to 76,356.32, 114,417.57 and 31,958.90 is: 47,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,356.32 : 114,417.57 = 31,958.90 : x
  2. Step 2: Convert to fraction form
    76,356.32/114,417.57 = 31,958.90/x
  3. Step 3: Cross multiply
    76,356.32x = 114,417.57 × 31,958.90
  4. Step 4: Simplify right side
    76,356.32x = 3,656,659,105.79
  5. Step 5: Solve for x
    x = 3,656,659,105.79/76,356.32
  6. Step 6: Final answer
    x = 47,889.41

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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.