Home / 92,085.14-138,201.54-47,724.58

Finding the Fourth Proportional to 92,085.14, 138,201.54 and 47,724.58

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Solution

The fourth proportional to 92,085.14, 138,201.54 and 47,724.58 is: 71,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,085.14 : 138,201.54 = 47,724.58 : x
  2. Step 2: Convert to fraction form
    92,085.14/138,201.54 = 47,724.58/x
  3. Step 3: Cross multiply
    92,085.14x = 138,201.54 × 47,724.58
  4. Step 4: Simplify right side
    92,085.14x = 6,595,610,451.85
  5. Step 5: Solve for x
    x = 6,595,610,451.85/92,085.14
  6. Step 6: Final answer
    x = 71,625.13

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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.