Home / 108,084.22-149,153.74-60,342.01

Finding the Fourth Proportional to 108,084.22, 149,153.74 and 60,342.01

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Solution

The fourth proportional to 108,084.22, 149,153.74 and 60,342.01 is: 83,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,084.22 : 149,153.74 = 60,342.01 : x
  2. Step 2: Convert to fraction form
    108,084.22/149,153.74 = 60,342.01/x
  3. Step 3: Cross multiply
    108,084.22x = 149,153.74 × 60,342.01
  4. Step 4: Simplify right side
    108,084.22x = 9,000,236,470.62
  5. Step 5: Solve for x
    x = 9,000,236,470.62/108,084.22
  6. Step 6: Final answer
    x = 83,270.59

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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.