Home / 50,853.76-70,168.18-28,191.76

Finding the Fourth Proportional to 50,853.76, 70,168.18 and 28,191.76

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Solution

The fourth proportional to 50,853.76, 70,168.18 and 28,191.76 is: 38,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.76 : 70,168.18 = 28,191.76 : x
  2. Step 2: Convert to fraction form
    50,853.76/70,168.18 = 28,191.76/x
  3. Step 3: Cross multiply
    50,853.76x = 70,168.18 × 28,191.76
  4. Step 4: Simplify right side
    50,853.76x = 1,978,164,490.20
  5. Step 5: Solve for x
    x = 1,978,164,490.20/50,853.76
  6. Step 6: Final answer
    x = 38,899.08

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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.