Home / 92,435.42-138,653.13-30,105.92

Finding the Fourth Proportional to 92,435.42, 138,653.13 and 30,105.92

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Solution

The fourth proportional to 92,435.42, 138,653.13 and 30,105.92 is: 45,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.42 : 138,653.13 = 30,105.92 : x
  2. Step 2: Convert to fraction form
    92,435.42/138,653.13 = 30,105.92/x
  3. Step 3: Cross multiply
    92,435.42x = 138,653.13 × 30,105.92
  4. Step 4: Simplify right side
    92,435.42x = 4,174,280,499.06
  5. Step 5: Solve for x
    x = 4,174,280,499.06/92,435.42
  6. Step 6: Final answer
    x = 45,158.88

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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.