Home / 92,390.76-138,579.22-25,836.10

Finding the Fourth Proportional to 92,390.76, 138,579.22 and 25,836.10

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Solution

The fourth proportional to 92,390.76, 138,579.22 and 25,836.10 is: 38,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,390.76 : 138,579.22 = 25,836.10 : x
  2. Step 2: Convert to fraction form
    92,390.76/138,579.22 = 25,836.10/x
  3. Step 3: Cross multiply
    92,390.76x = 138,579.22 × 25,836.10
  4. Step 4: Simplify right side
    92,390.76x = 3,580,346,271.69
  5. Step 5: Solve for x
    x = 3,580,346,271.69/92,390.76
  6. Step 6: Final answer
    x = 38,752.21

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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.