Home / 50,201.12-69,276.89-28,690.62

Finding the Fourth Proportional to 50,201.12, 69,276.89 and 28,690.62

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Solution

The fourth proportional to 50,201.12, 69,276.89 and 28,690.62 is: 39,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,201.12 : 69,276.89 = 28,690.62 : x
  2. Step 2: Convert to fraction form
    50,201.12/69,276.89 = 28,690.62/x
  3. Step 3: Cross multiply
    50,201.12x = 69,276.89 × 28,690.62
  4. Step 4: Simplify right side
    50,201.12x = 1,987,596,925.77
  5. Step 5: Solve for x
    x = 1,987,596,925.77/50,201.12
  6. Step 6: Final answer
    x = 39,592.68

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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.