Home / 103,637.90-155,380.05-44,425.10

Finding the Fourth Proportional to 103,637.90, 155,380.05 and 44,425.10

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Solution

The fourth proportional to 103,637.90, 155,380.05 and 44,425.10 is: 66,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.90 : 155,380.05 = 44,425.10 : x
  2. Step 2: Convert to fraction form
    103,637.90/155,380.05 = 44,425.10/x
  3. Step 3: Cross multiply
    103,637.90x = 155,380.05 × 44,425.10
  4. Step 4: Simplify right side
    103,637.90x = 6,902,774,259.26
  5. Step 5: Solve for x
    x = 6,902,774,259.26/103,637.90
  6. Step 6: Final answer
    x = 66,604.73

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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.