Home / 86,660.64-130,010.40-27,498.24

Finding the Fourth Proportional to 86,660.64, 130,010.40 and 27,498.24

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Solution

The fourth proportional to 86,660.64, 130,010.40 and 27,498.24 is: 41,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.64 : 130,010.40 = 27,498.24 : x
  2. Step 2: Convert to fraction form
    86,660.64/130,010.40 = 27,498.24/x
  3. Step 3: Cross multiply
    86,660.64x = 130,010.40 × 27,498.24
  4. Step 4: Simplify right side
    86,660.64x = 3,575,057,181.70
  5. Step 5: Solve for x
    x = 3,575,057,181.70/86,660.64
  6. Step 6: Final answer
    x = 41,253.53

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1.5x scale

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.