Home / 50,713.34-69,979.68-28,051.72

Finding the Fourth Proportional to 50,713.34, 69,979.68 and 28,051.72

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Solution

The fourth proportional to 50,713.34, 69,979.68 and 28,051.72 is: 38,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.34 : 69,979.68 = 28,051.72 : x
  2. Step 2: Convert to fraction form
    50,713.34/69,979.68 = 28,051.72/x
  3. Step 3: Cross multiply
    50,713.34x = 69,979.68 × 28,051.72
  4. Step 4: Simplify right side
    50,713.34x = 1,963,050,214.10
  5. Step 5: Solve for x
    x = 1,963,050,214.10/50,713.34
  6. Step 6: Final answer
    x = 38,708.76

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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.