Home / 99,745.02-137,665.92-59,461.38

Finding the Fourth Proportional to 99,745.02, 137,665.92 and 59,461.38

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Solution

The fourth proportional to 99,745.02, 137,665.92 and 59,461.38 is: 82,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,745.02 : 137,665.92 = 59,461.38 : x
  2. Step 2: Convert to fraction form
    99,745.02/137,665.92 = 59,461.38/x
  3. Step 3: Cross multiply
    99,745.02x = 137,665.92 × 59,461.38
  4. Step 4: Simplify right side
    99,745.02x = 8,185,805,582.17
  5. Step 5: Solve for x
    x = 8,185,805,582.17/99,745.02
  6. Step 6: Final answer
    x = 82,067.31

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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.