Home / 67,760.05-101,572.41-45,289.65

Finding the Fourth Proportional to 67,760.05, 101,572.41 and 45,289.65

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Solution

The fourth proportional to 67,760.05, 101,572.41 and 45,289.65 is: 67,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,760.05 : 101,572.41 = 45,289.65 : x
  2. Step 2: Convert to fraction form
    67,760.05/101,572.41 = 45,289.65/x
  3. Step 3: Cross multiply
    67,760.05x = 101,572.41 × 45,289.65
  4. Step 4: Simplify right side
    67,760.05x = 4,600,178,898.56
  5. Step 5: Solve for x
    x = 4,600,178,898.56/67,760.05
  6. Step 6: Final answer
    x = 67,889.25

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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.