Home / 50,775.15-70,062.56-28,115.48

Finding the Fourth Proportional to 50,775.15, 70,062.56 and 28,115.48

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Solution

The fourth proportional to 50,775.15, 70,062.56 and 28,115.48 is: 38,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.15 : 70,062.56 = 28,115.48 : x
  2. Step 2: Convert to fraction form
    50,775.15/70,062.56 = 28,115.48/x
  3. Step 3: Cross multiply
    50,775.15x = 70,062.56 × 28,115.48
  4. Step 4: Simplify right side
    50,775.15x = 1,969,842,013.54
  5. Step 5: Solve for x
    x = 1,969,842,013.54/50,775.15
  6. Step 6: Final answer
    x = 38,795.40

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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.