Home / 108,029.72-149,081.02-59,631.66

Finding the Fourth Proportional to 108,029.72, 149,081.02 and 59,631.66

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Solution

The fourth proportional to 108,029.72, 149,081.02 and 59,631.66 is: 82,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,029.72 : 149,081.02 = 59,631.66 : x
  2. Step 2: Convert to fraction form
    108,029.72/149,081.02 = 59,631.66/x
  3. Step 3: Cross multiply
    108,029.72x = 149,081.02 × 59,631.66
  4. Step 4: Simplify right side
    108,029.72x = 8,889,948,548.01
  5. Step 5: Solve for x
    x = 8,889,948,548.01/108,029.72
  6. Step 6: Final answer
    x = 82,291.70

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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.