Home / 99,104.19-136,719.14-58,819.65

Finding the Fourth Proportional to 99,104.19, 136,719.14 and 58,819.65

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Solution

The fourth proportional to 99,104.19, 136,719.14 and 58,819.65 is: 81,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.19 : 136,719.14 = 58,819.65 : x
  2. Step 2: Convert to fraction form
    99,104.19/136,719.14 = 58,819.65/x
  3. Step 3: Cross multiply
    99,104.19x = 136,719.14 × 58,819.65
  4. Step 4: Simplify right side
    99,104.19x = 8,041,771,669.00
  5. Step 5: Solve for x
    x = 8,041,771,669.00/99,104.19
  6. Step 6: Final answer
    x = 81,144.62

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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.