Home / 67,199.09-92,696.18-42,004.85

Finding the Fourth Proportional to 67,199.09, 92,696.18 and 42,004.85

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Solution

The fourth proportional to 67,199.09, 92,696.18 and 42,004.85 is: 57,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.09 : 92,696.18 = 42,004.85 : x
  2. Step 2: Convert to fraction form
    67,199.09/92,696.18 = 42,004.85/x
  3. Step 3: Cross multiply
    67,199.09x = 92,696.18 × 42,004.85
  4. Step 4: Simplify right side
    67,199.09x = 3,893,689,158.19
  5. Step 5: Solve for x
    x = 3,893,689,158.19/67,199.09
  6. Step 6: Final answer
    x = 57,942.59

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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.