Home / 67,156.94-92,679.72-38,857.16

Finding the Fourth Proportional to 67,156.94, 92,679.72 and 38,857.16

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Solution

The fourth proportional to 67,156.94, 92,679.72 and 38,857.16 is: 53,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156.94 : 92,679.72 = 38,857.16 : x
  2. Step 2: Convert to fraction form
    67,156.94/92,679.72 = 38,857.16/x
  3. Step 3: Cross multiply
    67,156.94x = 92,679.72 × 38,857.16
  4. Step 4: Simplify right side
    67,156.94x = 3,601,270,708.80
  5. Step 5: Solve for x
    x = 3,601,270,708.80/67,156.94
  6. Step 6: Final answer
    x = 53,624.70

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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.