Home / 61,518.96-92,174.76-40,679.28

Finding the Fourth Proportional to 61,518.96, 92,174.76 and 40,679.28

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Solution

The fourth proportional to 61,518.96, 92,174.76 and 40,679.28 is: 60,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,518.96 : 92,174.76 = 40,679.28 : x
  2. Step 2: Convert to fraction form
    61,518.96/92,174.76 = 40,679.28/x
  3. Step 3: Cross multiply
    61,518.96x = 92,174.76 × 40,679.28
  4. Step 4: Simplify right side
    61,518.96x = 3,749,602,870.97
  5. Step 5: Solve for x
    x = 3,749,602,870.97/61,518.96
  6. Step 6: Final answer
    x = 60,950.36

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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.