Home / 50,458.75-69,633.08-28,102.75

Finding the Fourth Proportional to 50,458.75, 69,633.08 and 28,102.75

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Solution

The fourth proportional to 50,458.75, 69,633.08 and 28,102.75 is: 38,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,458.75 : 69,633.08 = 28,102.75 : x
  2. Step 2: Convert to fraction form
    50,458.75/69,633.08 = 28,102.75/x
  3. Step 3: Cross multiply
    50,458.75x = 69,633.08 × 28,102.75
  4. Step 4: Simplify right side
    50,458.75x = 1,956,881,038.97
  5. Step 5: Solve for x
    x = 1,956,881,038.97/50,458.75
  6. Step 6: Final answer
    x = 38,781.80

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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.