Home / 51,877.78-77,840.97-25,568.17

Finding the Fourth Proportional to 51,877.78, 77,840.97 and 25,568.17

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Solution

The fourth proportional to 51,877.78, 77,840.97 and 25,568.17 is: 38,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877.78 : 77,840.97 = 25,568.17 : x
  2. Step 2: Convert to fraction form
    51,877.78/77,840.97 = 25,568.17/x
  3. Step 3: Cross multiply
    51,877.78x = 77,840.97 × 25,568.17
  4. Step 4: Simplify right side
    51,877.78x = 1,990,251,153.92
  5. Step 5: Solve for x
    x = 1,990,251,153.92/51,877.78
  6. Step 6: Final answer
    x = 38,364.23

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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.