Home / 108,418.77-149,629.28-60,683.85

Finding the Fourth Proportional to 108,418.77, 149,629.28 and 60,683.85

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Solution

The fourth proportional to 108,418.77, 149,629.28 and 60,683.85 is: 83,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,418.77 : 149,629.28 = 60,683.85 : x
  2. Step 2: Convert to fraction form
    108,418.77/149,629.28 = 60,683.85/x
  3. Step 3: Cross multiply
    108,418.77x = 149,629.28 × 60,683.85
  4. Step 4: Simplify right side
    108,418.77x = 9,080,080,479.71
  5. Step 5: Solve for x
    x = 9,080,080,479.71/108,418.77
  6. Step 6: Final answer
    x = 83,750.08

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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.