Home / 75,840.38-113,668.34-53,660.16

Finding the Fourth Proportional to 75,840.38, 113,668.34 and 53,660.16

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Solution

The fourth proportional to 75,840.38, 113,668.34 and 53,660.16 is: 80,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,840.38 : 113,668.34 = 53,660.16 : x
  2. Step 2: Convert to fraction form
    75,840.38/113,668.34 = 53,660.16/x
  3. Step 3: Cross multiply
    75,840.38x = 113,668.34 × 53,660.16
  4. Step 4: Simplify right side
    75,840.38x = 6,099,461,311.33
  5. Step 5: Solve for x
    x = 6,099,461,311.33/75,840.38
  6. Step 6: Final answer
    x = 80,424.98

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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.