Home / 89,361.14-123,366.25-68,898.51

Finding the Fourth Proportional to 89,361.14, 123,366.25 and 68,898.51

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Solution

The fourth proportional to 89,361.14, 123,366.25 and 68,898.51 is: 95,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361.14 : 123,366.25 = 68,898.51 : x
  2. Step 2: Convert to fraction form
    89,361.14/123,366.25 = 68,898.51/x
  3. Step 3: Cross multiply
    89,361.14x = 123,366.25 × 68,898.51
  4. Step 4: Simplify right side
    89,361.14x = 8,499,750,192.46
  5. Step 5: Solve for x
    x = 8,499,750,192.46/89,361.14
  6. Step 6: Final answer
    x = 95,116.86

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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.