Home / 99,766.66-137,706.06-58,968.58

Finding the Fourth Proportional to 99,766.66, 137,706.06 and 58,968.58

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Solution

The fourth proportional to 99,766.66, 137,706.06 and 58,968.58 is: 81,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,766.66 : 137,706.06 = 58,968.58 : x
  2. Step 2: Convert to fraction form
    99,766.66/137,706.06 = 58,968.58/x
  3. Step 3: Cross multiply
    99,766.66x = 137,706.06 × 58,968.58
  4. Step 4: Simplify right side
    99,766.66x = 8,120,330,815.59
  5. Step 5: Solve for x
    x = 8,120,330,815.59/99,766.66
  6. Step 6: Final answer
    x = 81,393.23

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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.