Home / 101,040.02-139,377.33-63,248.66

Finding the Fourth Proportional to 101,040.02, 139,377.33 and 63,248.66

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Solution

The fourth proportional to 101,040.02, 139,377.33 and 63,248.66 is: 87,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040.02 : 139,377.33 = 63,248.66 : x
  2. Step 2: Convert to fraction form
    101,040.02/139,377.33 = 63,248.66/x
  3. Step 3: Cross multiply
    101,040.02x = 139,377.33 × 63,248.66
  4. Step 4: Simplify right side
    101,040.02x = 8,815,428,659.99
  5. Step 5: Solve for x
    x = 8,815,428,659.99/101,040.02
  6. Step 6: Final answer
    x = 87,246.91

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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.