Home / 86,938.64-130,406.68-27,773.52

Finding the Fourth Proportional to 86,938.64, 130,406.68 and 27,773.52

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Solution

The fourth proportional to 86,938.64, 130,406.68 and 27,773.52 is: 41,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938.64 : 130,406.68 = 27,773.52 : x
  2. Step 2: Convert to fraction form
    86,938.64/130,406.68 = 27,773.52/x
  3. Step 3: Cross multiply
    86,938.64x = 130,406.68 × 27,773.52
  4. Step 4: Simplify right side
    86,938.64x = 3,621,852,535.11
  5. Step 5: Solve for x
    x = 3,621,852,535.11/86,938.64
  6. Step 6: Final answer
    x = 41,659.87

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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.