Home / 86,933.67-130,400.50-47,469.25

Finding the Fourth Proportional to 86,933.67, 130,400.50 and 47,469.25

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Solution

The fourth proportional to 86,933.67, 130,400.50 and 47,469.25 is: 71,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933.67 : 130,400.50 = 47,469.25 : x
  2. Step 2: Convert to fraction form
    86,933.67/130,400.50 = 47,469.25/x
  3. Step 3: Cross multiply
    86,933.67x = 130,400.50 × 47,469.25
  4. Step 4: Simplify right side
    86,933.67x = 6,190,013,934.63
  5. Step 5: Solve for x
    x = 6,190,013,934.63/86,933.67
  6. Step 6: Final answer
    x = 71,203.87

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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.