Home / 69,084.10-103,626.15-52,495.30

Finding the Fourth Proportional to 69,084.10, 103,626.15 and 52,495.30

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Solution

The fourth proportional to 69,084.10, 103,626.15 and 52,495.30 is: 78,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.10 : 103,626.15 = 52,495.30 : x
  2. Step 2: Convert to fraction form
    69,084.10/103,626.15 = 52,495.30/x
  3. Step 3: Cross multiply
    69,084.10x = 103,626.15 × 52,495.30
  4. Step 4: Simplify right side
    69,084.10x = 5,439,885,832.10
  5. Step 5: Solve for x
    x = 5,439,885,832.10/69,084.10
  6. Step 6: Final answer
    x = 78,742.95

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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.