Home / 67,993-101,916.60-32,855.20

Finding the Fourth Proportional to 67,993, 101,916.60 and 32,855.20

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Solution

The fourth proportional to 67,993, 101,916.60 and 32,855.20 is: 49,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,993 : 101,916.60 = 32,855.20 : x
  2. Step 2: Convert to fraction form
    67,993/101,916.60 = 32,855.20/x
  3. Step 3: Cross multiply
    67,993x = 101,916.60 × 32,855.20
  4. Step 4: Simplify right side
    67,993x = 3,348,490,276.32
  5. Step 5: Solve for x
    x = 3,348,490,276.32/67,993
  6. Step 6: Final answer
    x = 49,247.57

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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.