Home / 115,452.90-159,361.29-67,725.54

Finding the Fourth Proportional to 115,452.90, 159,361.29 and 67,725.54

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Solution

The fourth proportional to 115,452.90, 159,361.29 and 67,725.54 is: 93,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452.90 : 159,361.29 = 67,725.54 : x
  2. Step 2: Convert to fraction form
    115,452.90/159,361.29 = 67,725.54/x
  3. Step 3: Cross multiply
    115,452.90x = 159,361.29 × 67,725.54
  4. Step 4: Simplify right side
    115,452.90x = 10,792,829,420.35
  5. Step 5: Solve for x
    x = 10,792,829,420.35/115,452.90
  6. Step 6: Final answer
    x = 93,482.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.