Home / 99,992.04-137,991.20-59,698.29

Finding the Fourth Proportional to 99,992.04, 137,991.20 and 59,698.29

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Solution

The fourth proportional to 99,992.04, 137,991.20 and 59,698.29 is: 82,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,992.04 : 137,991.20 = 59,698.29 : x
  2. Step 2: Convert to fraction form
    99,992.04/137,991.20 = 59,698.29/x
  3. Step 3: Cross multiply
    99,992.04x = 137,991.20 × 59,698.29
  4. Step 4: Simplify right side
    99,992.04x = 8,237,838,505.92
  5. Step 5: Solve for x
    x = 8,237,838,505.92/99,992.04
  6. Step 6: Final answer
    x = 82,384.94

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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.