Home / 108,050.54-149,085.66-62,702.12

Finding the Fourth Proportional to 108,050.54, 149,085.66 and 62,702.12

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Solution

The fourth proportional to 108,050.54, 149,085.66 and 62,702.12 is: 86,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,050.54 : 149,085.66 = 62,702.12 : x
  2. Step 2: Convert to fraction form
    108,050.54/149,085.66 = 62,702.12/x
  3. Step 3: Cross multiply
    108,050.54x = 149,085.66 × 62,702.12
  4. Step 4: Simplify right side
    108,050.54x = 9,347,986,943.60
  5. Step 5: Solve for x
    x = 9,347,986,943.60/108,050.54
  6. Step 6: Final answer
    x = 86,514.95

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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.