Home / 76,891.72-115,342.46-32,510.20

Finding the Fourth Proportional to 76,891.72, 115,342.46 and 32,510.20

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Solution

The fourth proportional to 76,891.72, 115,342.46 and 32,510.20 is: 48,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,891.72 : 115,342.46 = 32,510.20 : x
  2. Step 2: Convert to fraction form
    76,891.72/115,342.46 = 32,510.20/x
  3. Step 3: Cross multiply
    76,891.72x = 115,342.46 × 32,510.20
  4. Step 4: Simplify right side
    76,891.72x = 3,749,806,443.09
  5. Step 5: Solve for x
    x = 3,749,806,443.09/76,891.72
  6. Step 6: Final answer
    x = 48,767.36

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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.