Home / 67,197.04-92,743.28-38,919.92

Finding the Fourth Proportional to 67,197.04, 92,743.28 and 38,919.92

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Solution

The fourth proportional to 67,197.04, 92,743.28 and 38,919.92 is: 53,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,197.04 : 92,743.28 = 38,919.92 : x
  2. Step 2: Convert to fraction form
    67,197.04/92,743.28 = 38,919.92/x
  3. Step 3: Cross multiply
    67,197.04x = 92,743.28 × 38,919.92
  4. Step 4: Simplify right side
    67,197.04x = 3,609,561,038.14
  5. Step 5: Solve for x
    x = 3,609,561,038.14/67,197.04
  6. Step 6: Final answer
    x = 53,716.07

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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.