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Finding the Fourth Proportional to 75,000.60, 112,500.90 and 33,528.60

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Solution

The fourth proportional to 75,000.60, 112,500.90 and 33,528.60 is: 50,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.60 : 112,500.90 = 33,528.60 : x
  2. Step 2: Convert to fraction form
    75,000.60/112,500.90 = 33,528.60/x
  3. Step 3: Cross multiply
    75,000.60x = 112,500.90 × 33,528.60
  4. Step 4: Simplify right side
    75,000.60x = 3,771,997,675.74
  5. Step 5: Solve for x
    x = 3,771,997,675.74/75,000.60
  6. Step 6: Final answer
    x = 50,292.90

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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.