Home / 76,747.06-115,136.16-32,373.96

Finding the Fourth Proportional to 76,747.06, 115,136.16 and 32,373.96

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Solution

The fourth proportional to 76,747.06, 115,136.16 and 32,373.96 is: 48,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.06 : 115,136.16 = 32,373.96 : x
  2. Step 2: Convert to fraction form
    76,747.06/115,136.16 = 32,373.96/x
  3. Step 3: Cross multiply
    76,747.06x = 115,136.16 × 32,373.96
  4. Step 4: Simplify right side
    76,747.06x = 3,727,413,438.39
  5. Step 5: Solve for x
    x = 3,727,413,438.39/76,747.06
  6. Step 6: Final answer
    x = 48,567.51

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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.