Home / 108,242.26-149,378.93-60,495.61

Finding the Fourth Proportional to 108,242.26, 149,378.93 and 60,495.61

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Solution

The fourth proportional to 108,242.26, 149,378.93 and 60,495.61 is: 83,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,242.26 : 149,378.93 = 60,495.61 : x
  2. Step 2: Convert to fraction form
    108,242.26/149,378.93 = 60,495.61/x
  3. Step 3: Cross multiply
    108,242.26x = 149,378.93 × 60,495.61
  4. Step 4: Simplify right side
    108,242.26x = 9,036,769,662.80
  5. Step 5: Solve for x
    x = 9,036,769,662.80/108,242.26
  6. Step 6: Final answer
    x = 83,486.52

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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.