Home / 66,997.91-92,458.58-38,320.22

Finding the Fourth Proportional to 66,997.91, 92,458.58 and 38,320.22

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Solution

The fourth proportional to 66,997.91, 92,458.58 and 38,320.22 is: 52,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.91 : 92,458.58 = 38,320.22 : x
  2. Step 2: Convert to fraction form
    66,997.91/92,458.58 = 38,320.22/x
  3. Step 3: Cross multiply
    66,997.91x = 92,458.58 × 38,320.22
  4. Step 4: Simplify right side
    66,997.91x = 3,543,033,166.03
  5. Step 5: Solve for x
    x = 3,543,033,166.03/66,997.91
  6. Step 6: Final answer
    x = 52,882.74

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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.