Home / 99,006.30-136,636.46-83,608.00

Finding the Fourth Proportional to 99,006.30, 136,636.46 and 83,608.00

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Solution

The fourth proportional to 99,006.30, 136,636.46 and 83,608.00 is: 115,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.30 : 136,636.46 = 83,608.00 : x
  2. Step 2: Convert to fraction form
    99,006.30/136,636.46 = 83,608.00/x
  3. Step 3: Cross multiply
    99,006.30x = 136,636.46 × 83,608.00
  4. Step 4: Simplify right side
    99,006.30x = 11,423,900,701.58
  5. Step 5: Solve for x
    x = 11,423,900,701.58/99,006.30
  6. Step 6: Final answer
    x = 115,385.59

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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.