Home / 75,813.28-113,740.50-23,221.60

Finding the Fourth Proportional to 75,813.28, 113,740.50 and 23,221.60

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Solution

The fourth proportional to 75,813.28, 113,740.50 and 23,221.60 is: 34,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813.28 : 113,740.50 = 23,221.60 : x
  2. Step 2: Convert to fraction form
    75,813.28/113,740.50 = 23,221.60/x
  3. Step 3: Cross multiply
    75,813.28x = 113,740.50 × 23,221.60
  4. Step 4: Simplify right side
    75,813.28x = 2,641,236,394.80
  5. Step 5: Solve for x
    x = 2,641,236,394.80/75,813.28
  6. Step 6: Final answer
    x = 34,838.70

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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.