Home / 86,993.03-130,487.65-27,828.52

Finding the Fourth Proportional to 86,993.03, 130,487.65 and 27,828.52

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Solution

The fourth proportional to 86,993.03, 130,487.65 and 27,828.52 is: 41,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,993.03 : 130,487.65 = 27,828.52 : x
  2. Step 2: Convert to fraction form
    86,993.03/130,487.65 = 27,828.52/x
  3. Step 3: Cross multiply
    86,993.03x = 130,487.65 × 27,828.52
  4. Step 4: Simplify right side
    86,993.03x = 3,631,278,177.78
  5. Step 5: Solve for x
    x = 3,631,278,177.78/86,993.03
  6. Step 6: Final answer
    x = 41,742.17

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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.