Home / 75,610.40-113,415.60-33,510.65

Finding the Fourth Proportional to 75,610.40, 113,415.60 and 33,510.65

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Solution

The fourth proportional to 75,610.40, 113,415.60 and 33,510.65 is: 50,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.40 : 113,415.60 = 33,510.65 : x
  2. Step 2: Convert to fraction form
    75,610.40/113,415.60 = 33,510.65/x
  3. Step 3: Cross multiply
    75,610.40x = 113,415.60 × 33,510.65
  4. Step 4: Simplify right side
    75,610.40x = 3,800,630,476.14
  5. Step 5: Solve for x
    x = 3,800,630,476.14/75,610.40
  6. Step 6: Final answer
    x = 50,265.98

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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.