Home / 52,102.11-78,143.99-14,653.29

Finding the Fourth Proportional to 52,102.11, 78,143.99 and 14,653.29

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Solution

The fourth proportional to 52,102.11, 78,143.99 and 14,653.29 is: 21,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,102.11 : 78,143.99 = 14,653.29 : x
  2. Step 2: Convert to fraction form
    52,102.11/78,143.99 = 14,653.29/x
  3. Step 3: Cross multiply
    52,102.11x = 78,143.99 × 14,653.29
  4. Step 4: Simplify right side
    52,102.11x = 1,145,066,473.96
  5. Step 5: Solve for x
    x = 1,145,066,473.96/52,102.11
  6. Step 6: Final answer
    x = 21,977.35

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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.