Home / 75,250.86-103,846.76-51,376.92

Finding the Fourth Proportional to 75,250.86, 103,846.76 and 51,376.92

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Solution

The fourth proportional to 75,250.86, 103,846.76 and 51,376.92 is: 70,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,250.86 : 103,846.76 = 51,376.92 : x
  2. Step 2: Convert to fraction form
    75,250.86/103,846.76 = 51,376.92/x
  3. Step 3: Cross multiply
    75,250.86x = 103,846.76 × 51,376.92
  4. Step 4: Simplify right side
    75,250.86x = 5,335,326,680.78
  5. Step 5: Solve for x
    x = 5,335,326,680.78/75,250.86
  6. Step 6: Final answer
    x = 70,900.54

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1.5x scale

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.