Home / 92,093.76-138,206.25-39,518.28

Finding the Fourth Proportional to 92,093.76, 138,206.25 and 39,518.28

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Solution

The fourth proportional to 92,093.76, 138,206.25 and 39,518.28 is: 59,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,093.76 : 138,206.25 = 39,518.28 : x
  2. Step 2: Convert to fraction form
    92,093.76/138,206.25 = 39,518.28/x
  3. Step 3: Cross multiply
    92,093.76x = 138,206.25 × 39,518.28
  4. Step 4: Simplify right side
    92,093.76x = 5,461,673,285.25
  5. Step 5: Solve for x
    x = 5,461,673,285.25/92,093.76
  6. Step 6: Final answer
    x = 59,305.57

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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.