Home / 96,890.18-133,713.96-64,568.66

Finding the Fourth Proportional to 96,890.18, 133,713.96 and 64,568.66

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Solution

The fourth proportional to 96,890.18, 133,713.96 and 64,568.66 is: 89,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,890.18 : 133,713.96 = 64,568.66 : x
  2. Step 2: Convert to fraction form
    96,890.18/133,713.96 = 64,568.66/x
  3. Step 3: Cross multiply
    96,890.18x = 133,713.96 × 64,568.66
  4. Step 4: Simplify right side
    96,890.18x = 8,633,731,220.49
  5. Step 5: Solve for x
    x = 8,633,731,220.49/96,890.18
  6. Step 6: Final answer
    x = 89,108.42

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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.