Home / 86,875.23-130,229.61-27,672.54

Finding the Fourth Proportional to 86,875.23, 130,229.61 and 27,672.54

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Solution

The fourth proportional to 86,875.23, 130,229.61 and 27,672.54 is: 41,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.23 : 130,229.61 = 27,672.54 : x
  2. Step 2: Convert to fraction form
    86,875.23/130,229.61 = 27,672.54/x
  3. Step 3: Cross multiply
    86,875.23x = 130,229.61 × 27,672.54
  4. Step 4: Simplify right side
    86,875.23x = 3,603,784,091.91
  5. Step 5: Solve for x
    x = 3,603,784,091.91/86,875.23
  6. Step 6: Final answer
    x = 41,482.30

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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.