Home / 99,179.24-136,827.78-63,359.96

Finding the Fourth Proportional to 99,179.24, 136,827.78 and 63,359.96

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Solution

The fourth proportional to 99,179.24, 136,827.78 and 63,359.96 is: 87,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.24 : 136,827.78 = 63,359.96 : x
  2. Step 2: Convert to fraction form
    99,179.24/136,827.78 = 63,359.96/x
  3. Step 3: Cross multiply
    99,179.24x = 136,827.78 × 63,359.96
  4. Step 4: Simplify right side
    99,179.24x = 8,669,402,667.69
  5. Step 5: Solve for x
    x = 8,669,402,667.69/99,179.24
  6. Step 6: Final answer
    x = 87,411.47

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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.