Home / 61,388.08-92,082.12-40,606.72

Finding the Fourth Proportional to 61,388.08, 92,082.12 and 40,606.72

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Solution

The fourth proportional to 61,388.08, 92,082.12 and 40,606.72 is: 60,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.08 : 92,082.12 = 40,606.72 : x
  2. Step 2: Convert to fraction form
    61,388.08/92,082.12 = 40,606.72/x
  3. Step 3: Cross multiply
    61,388.08x = 92,082.12 × 40,606.72
  4. Step 4: Simplify right side
    61,388.08x = 3,739,152,863.85
  5. Step 5: Solve for x
    x = 3,739,152,863.85/61,388.08
  6. Step 6: Final answer
    x = 60,910.08

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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.