Home / 92,342.16-138,517.38-28,295.60

Finding the Fourth Proportional to 92,342.16, 138,517.38 and 28,295.60

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Solution

The fourth proportional to 92,342.16, 138,517.38 and 28,295.60 is: 42,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,342.16 : 138,517.38 = 28,295.60 : x
  2. Step 2: Convert to fraction form
    92,342.16/138,517.38 = 28,295.60/x
  3. Step 3: Cross multiply
    92,342.16x = 138,517.38 × 28,295.60
  4. Step 4: Simplify right side
    92,342.16x = 3,919,432,377.53
  5. Step 5: Solve for x
    x = 3,919,432,377.53/92,342.16
  6. Step 6: Final answer
    x = 42,444.67

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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.