Home / 50,772.04-70,065.30-28,112.20

Finding the Fourth Proportional to 50,772.04, 70,065.30 and 28,112.20

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Solution

The fourth proportional to 50,772.04, 70,065.30 and 28,112.20 is: 38,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.04 : 70,065.30 = 28,112.20 : x
  2. Step 2: Convert to fraction form
    50,772.04/70,065.30 = 28,112.20/x
  3. Step 3: Cross multiply
    50,772.04x = 70,065.30 × 28,112.20
  4. Step 4: Simplify right side
    50,772.04x = 1,969,689,726.66
  5. Step 5: Solve for x
    x = 1,969,689,726.66/50,772.04
  6. Step 6: Final answer
    x = 38,794.77

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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.