Home / 96,983.76-133,761.66-66,374.98

Finding the Fourth Proportional to 96,983.76, 133,761.66 and 66,374.98

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Solution

The fourth proportional to 96,983.76, 133,761.66 and 66,374.98 is: 91,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,983.76 : 133,761.66 = 66,374.98 : x
  2. Step 2: Convert to fraction form
    96,983.76/133,761.66 = 66,374.98/x
  3. Step 3: Cross multiply
    96,983.76x = 133,761.66 × 66,374.98
  4. Step 4: Simplify right side
    96,983.76x = 8,878,427,297.32
  5. Step 5: Solve for x
    x = 8,878,427,297.32/96,983.76
  6. Step 6: Final answer
    x = 91,545.50

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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.