Home / 99,409.44-137,267.81-92,197.35

Finding the Fourth Proportional to 99,409.44, 137,267.81 and 92,197.35

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Solution

The fourth proportional to 99,409.44, 137,267.81 and 92,197.35 is: 127,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409.44 : 137,267.81 = 92,197.35 : x
  2. Step 2: Convert to fraction form
    99,409.44/137,267.81 = 92,197.35/x
  3. Step 3: Cross multiply
    99,409.44x = 137,267.81 × 92,197.35
  4. Step 4: Simplify right side
    99,409.44x = 12,655,728,918.70
  5. Step 5: Solve for x
    x = 12,655,728,918.70/99,409.44
  6. Step 6: Final answer
    x = 127,309.13

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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.