Home / 92,500.60-138,768.20-29,303.75

Finding the Fourth Proportional to 92,500.60, 138,768.20 and 29,303.75

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Solution

The fourth proportional to 92,500.60, 138,768.20 and 29,303.75 is: 43,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,500.60 : 138,768.20 = 29,303.75 : x
  2. Step 2: Convert to fraction form
    92,500.60/138,768.20 = 29,303.75/x
  3. Step 3: Cross multiply
    92,500.60x = 138,768.20 × 29,303.75
  4. Step 4: Simplify right side
    92,500.60x = 4,066,428,494.23
  5. Step 5: Solve for x
    x = 4,066,428,494.23/92,500.60
  6. Step 6: Final answer
    x = 43,961.11

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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.