Home / 86,874.48-130,282.56-55,265.04

Finding the Fourth Proportional to 86,874.48, 130,282.56 and 55,265.04

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Solution

The fourth proportional to 86,874.48, 130,282.56 and 55,265.04 is: 82,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,874.48 : 130,282.56 = 55,265.04 : x
  2. Step 2: Convert to fraction form
    86,874.48/130,282.56 = 55,265.04/x
  3. Step 3: Cross multiply
    86,874.48x = 130,282.56 × 55,265.04
  4. Step 4: Simplify right side
    86,874.48x = 7,200,070,889.70
  5. Step 5: Solve for x
    x = 7,200,070,889.70/86,874.48
  6. Step 6: Final answer
    x = 82,879.01

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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.