Home / 69,596.91-96,043.73-39,381.55

Finding the Fourth Proportional to 69,596.91, 96,043.73 and 39,381.55

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Solution

The fourth proportional to 69,596.91, 96,043.73 and 39,381.55 is: 54,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,596.91 : 96,043.73 = 39,381.55 : x
  2. Step 2: Convert to fraction form
    69,596.91/96,043.73 = 39,381.55/x
  3. Step 3: Cross multiply
    69,596.91x = 96,043.73 × 39,381.55
  4. Step 4: Simplify right side
    69,596.91x = 3,782,350,518.16
  5. Step 5: Solve for x
    x = 3,782,350,518.16/69,596.91
  6. Step 6: Final answer
    x = 54,346.53

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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.