Home / 115,863.24-173,798.10-40,972.80

Finding the Fourth Proportional to 115,863.24, 173,798.10 and 40,972.80

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Solution

The fourth proportional to 115,863.24, 173,798.10 and 40,972.80 is: 61,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,863.24 : 173,798.10 = 40,972.80 : x
  2. Step 2: Convert to fraction form
    115,863.24/173,798.10 = 40,972.80/x
  3. Step 3: Cross multiply
    115,863.24x = 173,798.10 × 40,972.80
  4. Step 4: Simplify right side
    115,863.24x = 7,120,994,791.68
  5. Step 5: Solve for x
    x = 7,120,994,791.68/115,863.24
  6. Step 6: Final answer
    x = 61,460.35

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1.5x scale

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.