Home / 56,616.24-84,919.14-19,172.01

Finding the Fourth Proportional to 56,616.24, 84,919.14 and 19,172.01

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Solution

The fourth proportional to 56,616.24, 84,919.14 and 19,172.01 is: 28,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.24 : 84,919.14 = 19,172.01 : x
  2. Step 2: Convert to fraction form
    56,616.24/84,919.14 = 19,172.01/x
  3. Step 3: Cross multiply
    56,616.24x = 84,919.14 × 19,172.01
  4. Step 4: Simplify right side
    56,616.24x = 1,628,070,601.27
  5. Step 5: Solve for x
    x = 1,628,070,601.27/56,616.24
  6. Step 6: Final answer
    x = 28,756.25

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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.