Home / 107,445.53-161,168.07-28,559.75

Finding the Fourth Proportional to 107,445.53, 161,168.07 and 28,559.75

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Solution

The fourth proportional to 107,445.53, 161,168.07 and 28,559.75 is: 42,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.53 : 161,168.07 = 28,559.75 : x
  2. Step 2: Convert to fraction form
    107,445.53/161,168.07 = 28,559.75/x
  3. Step 3: Cross multiply
    107,445.53x = 161,168.07 × 28,559.75
  4. Step 4: Simplify right side
    107,445.53x = 4,602,919,787.18
  5. Step 5: Solve for x
    x = 4,602,919,787.18/107,445.53
  6. Step 6: Final answer
    x = 42,839.57

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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.