Home / 56,192.97-77,473.94-40,078.65

Finding the Fourth Proportional to 56,192.97, 77,473.94 and 40,078.65

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Solution

The fourth proportional to 56,192.97, 77,473.94 and 40,078.65 is: 55,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,192.97 : 77,473.94 = 40,078.65 : x
  2. Step 2: Convert to fraction form
    56,192.97/77,473.94 = 40,078.65/x
  3. Step 3: Cross multiply
    56,192.97x = 77,473.94 × 40,078.65
  4. Step 4: Simplify right side
    56,192.97x = 3,105,050,724.99
  5. Step 5: Solve for x
    x = 3,105,050,724.99/56,192.97
  6. Step 6: Final answer
    x = 55,256.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.