Home / 171,723.95-257,404.13-57,763.27

Finding the Fourth Proportional to 171,723.95, 257,404.13 and 57,763.27

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Solution

The fourth proportional to 171,723.95, 257,404.13 and 57,763.27 is: 86,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,723.95 : 257,404.13 = 57,763.27 : x
  2. Step 2: Convert to fraction form
    171,723.95/257,404.13 = 57,763.27/x
  3. Step 3: Cross multiply
    171,723.95x = 257,404.13 × 57,763.27
  4. Step 4: Simplify right side
    171,723.95x = 14,868,503,971.49
  5. Step 5: Solve for x
    x = 14,868,503,971.49/171,723.95
  6. Step 6: Final answer
    x = 86,583.75

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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.