Home / 99,822.14-137,816.72-63,544.05

Finding the Fourth Proportional to 99,822.14, 137,816.72 and 63,544.05

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Solution

The fourth proportional to 99,822.14, 137,816.72 and 63,544.05 is: 87,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.14 : 137,816.72 = 63,544.05 : x
  2. Step 2: Convert to fraction form
    99,822.14/137,816.72 = 63,544.05/x
  3. Step 3: Cross multiply
    99,822.14x = 137,816.72 × 63,544.05
  4. Step 4: Simplify right side
    99,822.14x = 8,757,432,228.80
  5. Step 5: Solve for x
    x = 8,757,432,228.80/99,822.14
  6. Step 6: Final answer
    x = 87,730.36

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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.