Home / 50,899.17-70,239.55-28,238.05

Finding the Fourth Proportional to 50,899.17, 70,239.55 and 28,238.05

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Solution

The fourth proportional to 50,899.17, 70,239.55 and 28,238.05 is: 38,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,899.17 : 70,239.55 = 28,238.05 : x
  2. Step 2: Convert to fraction form
    50,899.17/70,239.55 = 28,238.05/x
  3. Step 3: Cross multiply
    50,899.17x = 70,239.55 × 28,238.05
  4. Step 4: Simplify right side
    50,899.17x = 1,983,427,924.88
  5. Step 5: Solve for x
    x = 1,983,427,924.88/50,899.17
  6. Step 6: Final answer
    x = 38,967.79

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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.