Home / 61,742.20-92,660.16-40,675.06

Finding the Fourth Proportional to 61,742.20, 92,660.16 and 40,675.06

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Solution

The fourth proportional to 61,742.20, 92,660.16 and 40,675.06 is: 61,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.20 : 92,660.16 = 40,675.06 : x
  2. Step 2: Convert to fraction form
    61,742.20/92,660.16 = 40,675.06/x
  3. Step 3: Cross multiply
    61,742.20x = 92,660.16 × 40,675.06
  4. Step 4: Simplify right side
    61,742.20x = 3,768,957,567.61
  5. Step 5: Solve for x
    x = 3,768,957,567.61/61,742.20
  6. Step 6: Final answer
    x = 61,043.46

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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.