Home / 51,110.10-70,531.41-28,448.73

Finding the Fourth Proportional to 51,110.10, 70,531.41 and 28,448.73

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Solution

The fourth proportional to 51,110.10, 70,531.41 and 28,448.73 is: 39,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.10 : 70,531.41 = 28,448.73 : x
  2. Step 2: Convert to fraction form
    51,110.10/70,531.41 = 28,448.73/x
  3. Step 3: Cross multiply
    51,110.10x = 70,531.41 × 28,448.73
  4. Step 4: Simplify right side
    51,110.10x = 2,006,529,039.61
  5. Step 5: Solve for x
    x = 2,006,529,039.61/51,110.10
  6. Step 6: Final answer
    x = 39,258.95

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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.