Home / 92,420.51-138,610.33-25,842.74

Finding the Fourth Proportional to 92,420.51, 138,610.33 and 25,842.74

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Solution

The fourth proportional to 92,420.51, 138,610.33 and 25,842.74 is: 38,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.51 : 138,610.33 = 25,842.74 : x
  2. Step 2: Convert to fraction form
    92,420.51/138,610.33 = 25,842.74/x
  3. Step 3: Cross multiply
    92,420.51x = 138,610.33 × 25,842.74
  4. Step 4: Simplify right side
    92,420.51x = 3,582,069,961.85
  5. Step 5: Solve for x
    x = 3,582,069,961.85/92,420.51
  6. Step 6: Final answer
    x = 38,758.39

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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.