Home / 124,421.62-171,702.84-67,833.40

Finding the Fourth Proportional to 124,421.62, 171,702.84 and 67,833.40

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Solution

The fourth proportional to 124,421.62, 171,702.84 and 67,833.40 is: 93,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.62 : 171,702.84 = 67,833.40 : x
  2. Step 2: Convert to fraction form
    124,421.62/171,702.84 = 67,833.40/x
  3. Step 3: Cross multiply
    124,421.62x = 171,702.84 × 67,833.40
  4. Step 4: Simplify right side
    124,421.62x = 11,647,187,426.86
  5. Step 5: Solve for x
    x = 11,647,187,426.86/124,421.62
  6. Step 6: Final answer
    x = 93,610.64

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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.