Home / 69,157.59-95,438.70-40,863.21

Finding the Fourth Proportional to 69,157.59, 95,438.70 and 40,863.21

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Solution

The fourth proportional to 69,157.59, 95,438.70 and 40,863.21 is: 56,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.59 : 95,438.70 = 40,863.21 : x
  2. Step 2: Convert to fraction form
    69,157.59/95,438.70 = 40,863.21/x
  3. Step 3: Cross multiply
    69,157.59x = 95,438.70 × 40,863.21
  4. Step 4: Simplify right side
    69,157.59x = 3,899,931,640.23
  5. Step 5: Solve for x
    x = 3,899,931,640.23/69,157.59
  6. Step 6: Final answer
    x = 56,391.95

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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.