Home / 69,719.45-96,212.57-39,510.53

Finding the Fourth Proportional to 69,719.45, 96,212.57 and 39,510.53

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Solution

The fourth proportional to 69,719.45, 96,212.57 and 39,510.53 is: 54,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,719.45 : 96,212.57 = 39,510.53 : x
  2. Step 2: Convert to fraction form
    69,719.45/96,212.57 = 39,510.53/x
  3. Step 3: Cross multiply
    69,719.45x = 96,212.57 × 39,510.53
  4. Step 4: Simplify right side
    69,719.45x = 3,801,409,633.36
  5. Step 5: Solve for x
    x = 3,801,409,633.36/69,719.45
  6. Step 6: Final answer
    x = 54,524.38

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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.