Home / 124,069.80-171,207.90-67,479.96

Finding the Fourth Proportional to 124,069.80, 171,207.90 and 67,479.96

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Solution

The fourth proportional to 124,069.80, 171,207.90 and 67,479.96 is: 93,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,069.80 : 171,207.90 = 67,479.96 : x
  2. Step 2: Convert to fraction form
    124,069.80/171,207.90 = 67,479.96/x
  3. Step 3: Cross multiply
    124,069.80x = 171,207.90 × 67,479.96
  4. Step 4: Simplify right side
    124,069.80x = 11,553,102,243.68
  5. Step 5: Solve for x
    x = 11,553,102,243.68/124,069.80
  6. Step 6: Final answer
    x = 93,117.76

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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.