Home / 50,851.01-70,173.18-28,189.59

Finding the Fourth Proportional to 50,851.01, 70,173.18 and 28,189.59

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Solution

The fourth proportional to 50,851.01, 70,173.18 and 28,189.59 is: 38,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,851.01 : 70,173.18 = 28,189.59 : x
  2. Step 2: Convert to fraction form
    50,851.01/70,173.18 = 28,189.59/x
  3. Step 3: Cross multiply
    50,851.01x = 70,173.18 × 28,189.59
  4. Step 4: Simplify right side
    50,851.01x = 1,978,153,173.20
  5. Step 5: Solve for x
    x = 1,978,153,173.20/50,851.01
  6. Step 6: Final answer
    x = 38,900.97

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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.