Home / 115,744.80-173,466-63,140.16

Finding the Fourth Proportional to 115,744.80, 173,466 and 63,140.16

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Solution

The fourth proportional to 115,744.80, 173,466 and 63,140.16 is: 94,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,744.80 : 173,466 = 63,140.16 : x
  2. Step 2: Convert to fraction form
    115,744.80/173,466 = 63,140.16/x
  3. Step 3: Cross multiply
    115,744.80x = 173,466 × 63,140.16
  4. Step 4: Simplify right side
    115,744.80x = 10,952,670,994.56
  5. Step 5: Solve for x
    x = 10,952,670,994.56/115,744.80
  6. Step 6: Final answer
    x = 94,627.76

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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.