Home / 59,742.30-89,613.45-51,431.70

Finding the Fourth Proportional to 59,742.30, 89,613.45 and 51,431.70

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Solution

The fourth proportional to 59,742.30, 89,613.45 and 51,431.70 is: 77,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,742.30 : 89,613.45 = 51,431.70 : x
  2. Step 2: Convert to fraction form
    59,742.30/89,613.45 = 51,431.70/x
  3. Step 3: Cross multiply
    59,742.30x = 89,613.45 × 51,431.70
  4. Step 4: Simplify right side
    59,742.30x = 4,608,972,076.37
  5. Step 5: Solve for x
    x = 4,608,972,076.37/59,742.30
  6. Step 6: Final answer
    x = 77,147.55

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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.