Home / 61,486.10-92,215.30-40,132.09

Finding the Fourth Proportional to 61,486.10, 92,215.30 and 40,132.09

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Solution

The fourth proportional to 61,486.10, 92,215.30 and 40,132.09 is: 60,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.10 : 92,215.30 = 40,132.09 : x
  2. Step 2: Convert to fraction form
    61,486.10/92,215.30 = 40,132.09/x
  3. Step 3: Cross multiply
    61,486.10x = 92,215.30 × 40,132.09
  4. Step 4: Simplify right side
    61,486.10x = 3,700,792,718.98
  5. Step 5: Solve for x
    x = 3,700,792,718.98/61,486.10
  6. Step 6: Final answer
    x = 60,189.10

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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.