Home / 50,899.16-70,239.42-28,238.04

Finding the Fourth Proportional to 50,899.16, 70,239.42 and 28,238.04

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Solution

The fourth proportional to 50,899.16, 70,239.42 and 28,238.04 is: 38,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,899.16 : 70,239.42 = 28,238.04 : x
  2. Step 2: Convert to fraction form
    50,899.16/70,239.42 = 28,238.04/x
  3. Step 3: Cross multiply
    50,899.16x = 70,239.42 × 28,238.04
  4. Step 4: Simplify right side
    50,899.16x = 1,983,423,551.54
  5. Step 5: Solve for x
    x = 1,983,423,551.54/50,899.16
  6. Step 6: Final answer
    x = 38,967.71

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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.