Home / 86,792.31-130,224.92-30,672.07

Finding the Fourth Proportional to 86,792.31, 130,224.92 and 30,672.07

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Solution

The fourth proportional to 86,792.31, 130,224.92 and 30,672.07 is: 46,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,792.31 : 130,224.92 = 30,672.07 : x
  2. Step 2: Convert to fraction form
    86,792.31/130,224.92 = 30,672.07/x
  3. Step 3: Cross multiply
    86,792.31x = 130,224.92 × 30,672.07
  4. Step 4: Simplify right side
    86,792.31x = 3,994,267,383.06
  5. Step 5: Solve for x
    x = 3,994,267,383.06/86,792.31
  6. Step 6: Final answer
    x = 46,020.98

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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.