Home / 108,136.89-149,207.27-60,382.89

Finding the Fourth Proportional to 108,136.89, 149,207.27 and 60,382.89

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Solution

The fourth proportional to 108,136.89, 149,207.27 and 60,382.89 is: 83,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,136.89 : 149,207.27 = 60,382.89 : x
  2. Step 2: Convert to fraction form
    108,136.89/149,207.27 = 60,382.89/x
  3. Step 3: Cross multiply
    108,136.89x = 149,207.27 × 60,382.89
  4. Step 4: Simplify right side
    108,136.89x = 9,009,565,869.70
  5. Step 5: Solve for x
    x = 9,009,565,869.70/108,136.89
  6. Step 6: Final answer
    x = 83,316.30

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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.