Home / 45,077.65-67,611.25-11,800.92

Finding the Fourth Proportional to 45,077.65, 67,611.25 and 11,800.92

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Solution

The fourth proportional to 45,077.65, 67,611.25 and 11,800.92 is: 17,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,077.65 : 67,611.25 = 11,800.92 : x
  2. Step 2: Convert to fraction form
    45,077.65/67,611.25 = 11,800.92/x
  3. Step 3: Cross multiply
    45,077.65x = 67,611.25 × 11,800.92
  4. Step 4: Simplify right side
    45,077.65x = 797,874,952.35
  5. Step 5: Solve for x
    x = 797,874,952.35/45,077.65
  6. Step 6: Final answer
    x = 17,700.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.