Home / 99,299.92-136,922.66-93,001.36

Finding the Fourth Proportional to 99,299.92, 136,922.66 and 93,001.36

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Solution

The fourth proportional to 99,299.92, 136,922.66 and 93,001.36 is: 128,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.92 : 136,922.66 = 93,001.36 : x
  2. Step 2: Convert to fraction form
    99,299.92/136,922.66 = 93,001.36/x
  3. Step 3: Cross multiply
    99,299.92x = 136,922.66 × 93,001.36
  4. Step 4: Simplify right side
    99,299.92x = 12,733,993,594.82
  5. Step 5: Solve for x
    x = 12,733,993,594.82/99,299.92
  6. Step 6: Final answer
    x = 128,237.70

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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.