Home / 69,823.39-96,366.18-39,616.21

Finding the Fourth Proportional to 69,823.39, 96,366.18 and 39,616.21

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Solution

The fourth proportional to 69,823.39, 96,366.18 and 39,616.21 is: 54,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,823.39 : 96,366.18 = 39,616.21 : x
  2. Step 2: Convert to fraction form
    69,823.39/96,366.18 = 39,616.21/x
  3. Step 3: Cross multiply
    69,823.39x = 96,366.18 × 39,616.21
  4. Step 4: Simplify right side
    69,823.39x = 3,817,662,823.78
  5. Step 5: Solve for x
    x = 3,817,662,823.78/69,823.39
  6. Step 6: Final answer
    x = 54,675.99

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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.