Home / 69,715.06-96,206.44-39,500.30

Finding the Fourth Proportional to 69,715.06, 96,206.44 and 39,500.30

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Solution

The fourth proportional to 69,715.06, 96,206.44 and 39,500.30 is: 54,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.06 : 96,206.44 = 39,500.30 : x
  2. Step 2: Convert to fraction form
    69,715.06/96,206.44 = 39,500.30/x
  3. Step 3: Cross multiply
    69,715.06x = 96,206.44 × 39,500.30
  4. Step 4: Simplify right side
    69,715.06x = 3,800,183,241.93
  5. Step 5: Solve for x
    x = 3,800,183,241.93/69,715.06
  6. Step 6: Final answer
    x = 54,510.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.