Home / 68,724.16-103,022.80-47,674.13

Finding the Fourth Proportional to 68,724.16, 103,022.80 and 47,674.13

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Solution

The fourth proportional to 68,724.16, 103,022.80 and 47,674.13 is: 71,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.16 : 103,022.80 = 47,674.13 : x
  2. Step 2: Convert to fraction form
    68,724.16/103,022.80 = 47,674.13/x
  3. Step 3: Cross multiply
    68,724.16x = 103,022.80 × 47,674.13
  4. Step 4: Simplify right side
    68,724.16x = 4,911,522,360.16
  5. Step 5: Solve for x
    x = 4,911,522,360.16/68,724.16
  6. Step 6: Final answer
    x = 71,467.19

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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.