Home / 99,973.92-137,964.09-57,532.44

Finding the Fourth Proportional to 99,973.92, 137,964.09 and 57,532.44

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Solution

The fourth proportional to 99,973.92, 137,964.09 and 57,532.44 is: 79,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973.92 : 137,964.09 = 57,532.44 : x
  2. Step 2: Convert to fraction form
    99,973.92/137,964.09 = 57,532.44/x
  3. Step 3: Cross multiply
    99,973.92x = 137,964.09 × 57,532.44
  4. Step 4: Simplify right side
    99,973.92x = 7,937,410,730.08
  5. Step 5: Solve for x
    x = 7,937,410,730.08/99,973.92
  6. Step 6: Final answer
    x = 79,394.81

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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.