Home / 87,275.88-130,971.23-47,860.67

Finding the Fourth Proportional to 87,275.88, 130,971.23 and 47,860.67

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Solution

The fourth proportional to 87,275.88, 130,971.23 and 47,860.67 is: 71,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,275.88 : 130,971.23 = 47,860.67 : x
  2. Step 2: Convert to fraction form
    87,275.88/130,971.23 = 47,860.67/x
  3. Step 3: Cross multiply
    87,275.88x = 130,971.23 × 47,860.67
  4. Step 4: Simplify right side
    87,275.88x = 6,268,371,086.13
  5. Step 5: Solve for x
    x = 6,268,371,086.13/87,275.88
  6. Step 6: Final answer
    x = 71,822.49

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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.