Home / 101,298.27-139,796.49-61,024.66

Finding the Fourth Proportional to 101,298.27, 139,796.49 and 61,024.66

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Solution

The fourth proportional to 101,298.27, 139,796.49 and 61,024.66 is: 84,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,298.27 : 139,796.49 = 61,024.66 : x
  2. Step 2: Convert to fraction form
    101,298.27/139,796.49 = 61,024.66/x
  3. Step 3: Cross multiply
    101,298.27x = 139,796.49 × 61,024.66
  4. Step 4: Simplify right side
    101,298.27x = 8,531,033,271.44
  5. Step 5: Solve for x
    x = 8,531,033,271.44/101,298.27
  6. Step 6: Final answer
    x = 84,216.97

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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.