Home / 86,932.67-130,399-47,468.25

Finding the Fourth Proportional to 86,932.67, 130,399 and 47,468.25

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Solution

The fourth proportional to 86,932.67, 130,399 and 47,468.25 is: 71,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932.67 : 130,399 = 47,468.25 : x
  2. Step 2: Convert to fraction form
    86,932.67/130,399 = 47,468.25/x
  3. Step 3: Cross multiply
    86,932.67x = 130,399 × 47,468.25
  4. Step 4: Simplify right side
    86,932.67x = 6,189,812,331.75
  5. Step 5: Solve for x
    x = 6,189,812,331.75/86,932.67
  6. Step 6: Final answer
    x = 71,202.37

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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.