Home / 72,082.13-108,142.91-34,673.49

Finding the Fourth Proportional to 72,082.13, 108,142.91 and 34,673.49

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Solution

The fourth proportional to 72,082.13, 108,142.91 and 34,673.49 is: 52,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,082.13 : 108,142.91 = 34,673.49 : x
  2. Step 2: Convert to fraction form
    72,082.13/108,142.91 = 34,673.49/x
  3. Step 3: Cross multiply
    72,082.13x = 108,142.91 × 34,673.49
  4. Step 4: Simplify right side
    72,082.13x = 3,749,692,108.46
  5. Step 5: Solve for x
    x = 3,749,692,108.46/72,082.13
  6. Step 6: Final answer
    x = 52,019.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.