Home / 86,759.46-130,076.31-58,609.12

Finding the Fourth Proportional to 86,759.46, 130,076.31 and 58,609.12

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Solution

The fourth proportional to 86,759.46, 130,076.31 and 58,609.12 is: 87,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,759.46 : 130,076.31 = 58,609.12 : x
  2. Step 2: Convert to fraction form
    86,759.46/130,076.31 = 58,609.12/x
  3. Step 3: Cross multiply
    86,759.46x = 130,076.31 × 58,609.12
  4. Step 4: Simplify right side
    86,759.46x = 7,623,658,061.95
  5. Step 5: Solve for x
    x = 7,623,658,061.95/86,759.46
  6. Step 6: Final answer
    x = 87,871.20

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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.