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Finding the Fourth Proportional to 75,265.60, 112,898.40 and 33,793.60

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Solution

The fourth proportional to 75,265.60, 112,898.40 and 33,793.60 is: 50,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.60 : 112,898.40 = 33,793.60 : x
  2. Step 2: Convert to fraction form
    75,265.60/112,898.40 = 33,793.60/x
  3. Step 3: Cross multiply
    75,265.60x = 112,898.40 × 33,793.60
  4. Step 4: Simplify right side
    75,265.60x = 3,815,243,370.24
  5. Step 5: Solve for x
    x = 3,815,243,370.24/75,265.60
  6. Step 6: Final answer
    x = 50,690.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.