Home / 50,836.11-70,152.03-28,177.21

Finding the Fourth Proportional to 50,836.11, 70,152.03 and 28,177.21

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Solution

The fourth proportional to 50,836.11, 70,152.03 and 28,177.21 is: 38,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,836.11 : 70,152.03 = 28,177.21 : x
  2. Step 2: Convert to fraction form
    50,836.11/70,152.03 = 28,177.21/x
  3. Step 3: Cross multiply
    50,836.11x = 70,152.03 × 28,177.21
  4. Step 4: Simplify right side
    50,836.11x = 1,976,688,235.41
  5. Step 5: Solve for x
    x = 1,976,688,235.41/50,836.11
  6. Step 6: Final answer
    x = 38,883.55

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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.