Home / 61,014.24-84,248.64-49,039.20

Finding the Fourth Proportional to 61,014.24, 84,248.64 and 49,039.20

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Solution

The fourth proportional to 61,014.24, 84,248.64 and 49,039.20 is: 67,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,014.24 : 84,248.64 = 49,039.20 : x
  2. Step 2: Convert to fraction form
    61,014.24/84,248.64 = 49,039.20/x
  3. Step 3: Cross multiply
    61,014.24x = 84,248.64 × 49,039.20
  4. Step 4: Simplify right side
    61,014.24x = 4,131,485,906.69
  5. Step 5: Solve for x
    x = 4,131,485,906.69/61,014.24
  6. Step 6: Final answer
    x = 67,713.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.