Home / 67,841.36-93,611.40-39,559.76

Finding the Fourth Proportional to 67,841.36, 93,611.40 and 39,559.76

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Solution

The fourth proportional to 67,841.36, 93,611.40 and 39,559.76 is: 54,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,841.36 : 93,611.40 = 39,559.76 : x
  2. Step 2: Convert to fraction form
    67,841.36/93,611.40 = 39,559.76/x
  3. Step 3: Cross multiply
    67,841.36x = 93,611.40 × 39,559.76
  4. Step 4: Simplify right side
    67,841.36x = 3,703,244,517.26
  5. Step 5: Solve for x
    x = 3,703,244,517.26/67,841.36
  6. Step 6: Final answer
    x = 54,586.83

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1.5x scale

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.