Home / 57,281.40-85,999.05-33,613.20

Finding the Fourth Proportional to 57,281.40, 85,999.05 and 33,613.20

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Solution

The fourth proportional to 57,281.40, 85,999.05 and 33,613.20 is: 50,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281.40 : 85,999.05 = 33,613.20 : x
  2. Step 2: Convert to fraction form
    57,281.40/85,999.05 = 33,613.20/x
  3. Step 3: Cross multiply
    57,281.40x = 85,999.05 × 33,613.20
  4. Step 4: Simplify right side
    57,281.40x = 2,890,703,267.46
  5. Step 5: Solve for x
    x = 2,890,703,267.46/57,281.40
  6. Step 6: Final answer
    x = 50,464.95

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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.