Home / 52,073.28-78,121.80-17,012.16

Finding the Fourth Proportional to 52,073.28, 78,121.80 and 17,012.16

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Solution

The fourth proportional to 52,073.28, 78,121.80 and 17,012.16 is: 25,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.28 : 78,121.80 = 17,012.16 : x
  2. Step 2: Convert to fraction form
    52,073.28/78,121.80 = 17,012.16/x
  3. Step 3: Cross multiply
    52,073.28x = 78,121.80 × 17,012.16
  4. Step 4: Simplify right side
    52,073.28x = 1,329,020,561.09
  5. Step 5: Solve for x
    x = 1,329,020,561.09/52,073.28
  6. Step 6: Final answer
    x = 25,522.12

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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.