Home / 92,083.89-138,173.02-54,188.24

Finding the Fourth Proportional to 92,083.89, 138,173.02 and 54,188.24

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Solution

The fourth proportional to 92,083.89, 138,173.02 and 54,188.24 is: 81,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,083.89 : 138,173.02 = 54,188.24 : x
  2. Step 2: Convert to fraction form
    92,083.89/138,173.02 = 54,188.24/x
  3. Step 3: Cross multiply
    92,083.89x = 138,173.02 × 54,188.24
  4. Step 4: Simplify right side
    92,083.89x = 7,487,352,979.25
  5. Step 5: Solve for x
    x = 7,487,352,979.25/92,083.89
  6. Step 6: Final answer
    x = 81,310.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.