Home / 107,445.02-161,111.90-48,229.70

Finding the Fourth Proportional to 107,445.02, 161,111.90 and 48,229.70

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Solution

The fourth proportional to 107,445.02, 161,111.90 and 48,229.70 is: 72,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.02 : 161,111.90 = 48,229.70 : x
  2. Step 2: Convert to fraction form
    107,445.02/161,111.90 = 48,229.70/x
  3. Step 3: Cross multiply
    107,445.02x = 161,111.90 × 48,229.70
  4. Step 4: Simplify right side
    107,445.02x = 7,770,377,918.44
  5. Step 5: Solve for x
    x = 7,770,377,918.44/107,445.02
  6. Step 6: Final answer
    x = 72,319.58

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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.