Home / 92,435.68-138,663.24-30,111.04

Finding the Fourth Proportional to 92,435.68, 138,663.24 and 30,111.04

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Solution

The fourth proportional to 92,435.68, 138,663.24 and 30,111.04 is: 45,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.68 : 138,663.24 = 30,111.04 : x
  2. Step 2: Convert to fraction form
    92,435.68/138,663.24 = 30,111.04/x
  3. Step 3: Cross multiply
    92,435.68x = 138,663.24 × 30,111.04
  4. Step 4: Simplify right side
    92,435.68x = 4,175,294,366.17
  5. Step 5: Solve for x
    x = 4,175,294,366.17/92,435.68
  6. Step 6: Final answer
    x = 45,169.73

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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.