Home / 86,980.33-130,462.26-27,800.11

Finding the Fourth Proportional to 86,980.33, 130,462.26 and 27,800.11

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Solution

The fourth proportional to 86,980.33, 130,462.26 and 27,800.11 is: 41,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,980.33 : 130,462.26 = 27,800.11 : x
  2. Step 2: Convert to fraction form
    86,980.33/130,462.26 = 27,800.11/x
  3. Step 3: Cross multiply
    86,980.33x = 130,462.26 × 27,800.11
  4. Step 4: Simplify right side
    86,980.33x = 3,626,865,178.85
  5. Step 5: Solve for x
    x = 3,626,865,178.85/86,980.33
  6. Step 6: Final answer
    x = 41,697.53

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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.