Home / 92,157.06-138,234.66-42,223.02

Finding the Fourth Proportional to 92,157.06, 138,234.66 and 42,223.02

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Solution

The fourth proportional to 92,157.06, 138,234.66 and 42,223.02 is: 63,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,157.06 : 138,234.66 = 42,223.02 : x
  2. Step 2: Convert to fraction form
    92,157.06/138,234.66 = 42,223.02/x
  3. Step 3: Cross multiply
    92,157.06x = 138,234.66 × 42,223.02
  4. Step 4: Simplify right side
    92,157.06x = 5,836,684,813.87
  5. Step 5: Solve for x
    x = 5,836,684,813.87/92,157.06
  6. Step 6: Final answer
    x = 63,334.10

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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.