Home / 50,864.95-70,190.80-28,202.61

Finding the Fourth Proportional to 50,864.95, 70,190.80 and 28,202.61

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Solution

The fourth proportional to 50,864.95, 70,190.80 and 28,202.61 is: 38,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,864.95 : 70,190.80 = 28,202.61 : x
  2. Step 2: Convert to fraction form
    50,864.95/70,190.80 = 28,202.61/x
  3. Step 3: Cross multiply
    50,864.95x = 70,190.80 × 28,202.61
  4. Step 4: Simplify right side
    50,864.95x = 1,979,563,687.48
  5. Step 5: Solve for x
    x = 1,979,563,687.48/50,864.95
  6. Step 6: Final answer
    x = 38,918.03

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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.