Home / 99,504.16-137,325.44-74,309.92

Finding the Fourth Proportional to 99,504.16, 137,325.44 and 74,309.92

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Solution

The fourth proportional to 99,504.16, 137,325.44 and 74,309.92 is: 102,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.16 : 137,325.44 = 74,309.92 : x
  2. Step 2: Convert to fraction form
    99,504.16/137,325.44 = 74,309.92/x
  3. Step 3: Cross multiply
    99,504.16x = 137,325.44 × 74,309.92
  4. Step 4: Simplify right side
    99,504.16x = 10,204,642,460.36
  5. Step 5: Solve for x
    x = 10,204,642,460.36/99,504.16
  6. Step 6: Final answer
    x = 102,554.93

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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.