Home / 99,104.32-136,754.70-58,811.08

Finding the Fourth Proportional to 99,104.32, 136,754.70 and 58,811.08

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Solution

The fourth proportional to 99,104.32, 136,754.70 and 58,811.08 is: 81,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.32 : 136,754.70 = 58,811.08 : x
  2. Step 2: Convert to fraction form
    99,104.32/136,754.70 = 58,811.08/x
  3. Step 3: Cross multiply
    99,104.32x = 136,754.70 × 58,811.08
  4. Step 4: Simplify right side
    99,104.32x = 8,042,691,602.08
  5. Step 5: Solve for x
    x = 8,042,691,602.08/99,104.32
  6. Step 6: Final answer
    x = 81,153.79

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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.