Home / 67,933.92-101,196.89-66,816.12

Finding the Fourth Proportional to 67,933.92, 101,196.89 and 66,816.12

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Solution

The fourth proportional to 67,933.92, 101,196.89 and 66,816.12 is: 99,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.92 : 101,196.89 = 66,816.12 : x
  2. Step 2: Convert to fraction form
    67,933.92/101,196.89 = 66,816.12/x
  3. Step 3: Cross multiply
    67,933.92x = 101,196.89 × 66,816.12
  4. Step 4: Simplify right side
    67,933.92x = 6,761,583,545.87
  5. Step 5: Solve for x
    x = 6,761,583,545.87/67,933.92
  6. Step 6: Final answer
    x = 99,531.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.