Home / 108,620.91-149,888.66-60,865.02

Finding the Fourth Proportional to 108,620.91, 149,888.66 and 60,865.02

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Solution

The fourth proportional to 108,620.91, 149,888.66 and 60,865.02 is: 83,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,620.91 : 149,888.66 = 60,865.02 : x
  2. Step 2: Convert to fraction form
    108,620.91/149,888.66 = 60,865.02/x
  3. Step 3: Cross multiply
    108,620.91x = 149,888.66 × 60,865.02
  4. Step 4: Simplify right side
    108,620.91x = 9,122,975,984.35
  5. Step 5: Solve for x
    x = 9,122,975,984.35/108,620.91
  6. Step 6: Final answer
    x = 83,989.13

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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.