Home / 92,592.24-138,905.64-30,306.48

Finding the Fourth Proportional to 92,592.24, 138,905.64 and 30,306.48

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Solution

The fourth proportional to 92,592.24, 138,905.64 and 30,306.48 is: 45,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,592.24 : 138,905.64 = 30,306.48 : x
  2. Step 2: Convert to fraction form
    92,592.24/138,905.64 = 30,306.48/x
  3. Step 3: Cross multiply
    92,592.24x = 138,905.64 × 30,306.48
  4. Step 4: Simplify right side
    92,592.24x = 4,209,741,000.55
  5. Step 5: Solve for x
    x = 4,209,741,000.55/92,592.24
  6. Step 6: Final answer
    x = 45,465.38

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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.