Home / 89,785.88-123,858.99-68,528.24

Finding the Fourth Proportional to 89,785.88, 123,858.99 and 68,528.24

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Solution

The fourth proportional to 89,785.88, 123,858.99 and 68,528.24 is: 94,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,785.88 : 123,858.99 = 68,528.24 : x
  2. Step 2: Convert to fraction form
    89,785.88/123,858.99 = 68,528.24/x
  3. Step 3: Cross multiply
    89,785.88x = 123,858.99 × 68,528.24
  4. Step 4: Simplify right side
    89,785.88x = 8,487,838,592.88
  5. Step 5: Solve for x
    x = 8,487,838,592.88/89,785.88
  6. Step 6: Final answer
    x = 94,534.23

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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.