Home / 99,326.80-137,069.93-73,946.66

Finding the Fourth Proportional to 99,326.80, 137,069.93 and 73,946.66

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Solution

The fourth proportional to 99,326.80, 137,069.93 and 73,946.66 is: 102,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.80 : 137,069.93 = 73,946.66 : x
  2. Step 2: Convert to fraction form
    99,326.80/137,069.93 = 73,946.66/x
  3. Step 3: Cross multiply
    99,326.80x = 137,069.93 × 73,946.66
  4. Step 4: Simplify right side
    99,326.80x = 10,135,864,037.48
  5. Step 5: Solve for x
    x = 10,135,864,037.48/99,326.80
  6. Step 6: Final answer
    x = 102,045.61

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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.