Home / 114,517.18-171,787.54-39,637.20

Finding the Fourth Proportional to 114,517.18, 171,787.54 and 39,637.20

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Solution

The fourth proportional to 114,517.18, 171,787.54 and 39,637.20 is: 59,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,517.18 : 171,787.54 = 39,637.20 : x
  2. Step 2: Convert to fraction form
    114,517.18/171,787.54 = 39,637.20/x
  3. Step 3: Cross multiply
    114,517.18x = 171,787.54 × 39,637.20
  4. Step 4: Simplify right side
    114,517.18x = 6,809,177,080.49
  5. Step 5: Solve for x
    x = 6,809,177,080.49/114,517.18
  6. Step 6: Final answer
    x = 59,459.87

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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.