Home / 42,082.13-58,078.97-40,697.49

Finding the Fourth Proportional to 42,082.13, 58,078.97 and 40,697.49

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Solution

The fourth proportional to 42,082.13, 58,078.97 and 40,697.49 is: 56,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082.13 : 58,078.97 = 40,697.49 : x
  2. Step 2: Convert to fraction form
    42,082.13/58,078.97 = 40,697.49/x
  3. Step 3: Cross multiply
    42,082.13x = 58,078.97 × 40,697.49
  4. Step 4: Simplify right side
    42,082.13x = 2,363,668,369.94
  5. Step 5: Solve for x
    x = 2,363,668,369.94/42,082.13
  6. Step 6: Final answer
    x = 56,167.98

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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.