Home / 101,696.02-140,331.16-56,371.83

Finding the Fourth Proportional to 101,696.02, 140,331.16 and 56,371.83

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Solution

The fourth proportional to 101,696.02, 140,331.16 and 56,371.83 is: 77,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,696.02 : 140,331.16 = 56,371.83 : x
  2. Step 2: Convert to fraction form
    101,696.02/140,331.16 = 56,371.83/x
  3. Step 3: Cross multiply
    101,696.02x = 140,331.16 × 56,371.83
  4. Step 4: Simplify right side
    101,696.02x = 7,910,724,295.22
  5. Step 5: Solve for x
    x = 7,910,724,295.22/101,696.02
  6. Step 6: Final answer
    x = 77,787.94

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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.