Home / 86,972.81-130,475.61-27,792.59

Finding the Fourth Proportional to 86,972.81, 130,475.61 and 27,792.59

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Solution

The fourth proportional to 86,972.81, 130,475.61 and 27,792.59 is: 41,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.81 : 130,475.61 = 27,792.59 : x
  2. Step 2: Convert to fraction form
    86,972.81/130,475.61 = 27,792.59/x
  3. Step 3: Cross multiply
    86,972.81x = 130,475.61 × 27,792.59
  4. Step 4: Simplify right side
    86,972.81x = 3,626,254,481.35
  5. Step 5: Solve for x
    x = 3,626,254,481.35/86,972.81
  6. Step 6: Final answer
    x = 41,694.12

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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.