Home / 56,577.13-84,869.78-17,137.30

Finding the Fourth Proportional to 56,577.13, 84,869.78 and 17,137.30

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Solution

The fourth proportional to 56,577.13, 84,869.78 and 17,137.30 is: 25,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,577.13 : 84,869.78 = 17,137.30 : x
  2. Step 2: Convert to fraction form
    56,577.13/84,869.78 = 17,137.30/x
  3. Step 3: Cross multiply
    56,577.13x = 84,869.78 × 17,137.30
  4. Step 4: Simplify right side
    56,577.13x = 1,454,438,880.79
  5. Step 5: Solve for x
    x = 1,454,438,880.79/56,577.13
  6. Step 6: Final answer
    x = 25,707.19

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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.