Home / 108,431.46-149,633.02-60,030.57

Finding the Fourth Proportional to 108,431.46, 149,633.02 and 60,030.57

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Solution

The fourth proportional to 108,431.46, 149,633.02 and 60,030.57 is: 82,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.46 : 149,633.02 = 60,030.57 : x
  2. Step 2: Convert to fraction form
    108,431.46/149,633.02 = 60,030.57/x
  3. Step 3: Cross multiply
    108,431.46x = 149,633.02 × 60,030.57
  4. Step 4: Simplify right side
    108,431.46x = 8,982,555,275.90
  5. Step 5: Solve for x
    x = 8,982,555,275.90/108,431.46
  6. Step 6: Final answer
    x = 82,840.86

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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.