Home / 125,968.50-173,836.53-69,379.88

Finding the Fourth Proportional to 125,968.50, 173,836.53 and 69,379.88

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Solution

The fourth proportional to 125,968.50, 173,836.53 and 69,379.88 is: 95,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968.50 : 173,836.53 = 69,379.88 : x
  2. Step 2: Convert to fraction form
    125,968.50/173,836.53 = 69,379.88/x
  3. Step 3: Cross multiply
    125,968.50x = 173,836.53 × 69,379.88
  4. Step 4: Simplify right side
    125,968.50x = 12,060,756,721.83
  5. Step 5: Solve for x
    x = 12,060,756,721.83/125,968.50
  6. Step 6: Final answer
    x = 95,744.23

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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.