Home / 66,726.93-92,074.09-39,863.75

Finding the Fourth Proportional to 66,726.93, 92,074.09 and 39,863.75

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Solution

The fourth proportional to 66,726.93, 92,074.09 and 39,863.75 is: 55,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.93 : 92,074.09 = 39,863.75 : x
  2. Step 2: Convert to fraction form
    66,726.93/92,074.09 = 39,863.75/x
  3. Step 3: Cross multiply
    66,726.93x = 92,074.09 × 39,863.75
  4. Step 4: Simplify right side
    66,726.93x = 3,670,418,305.92
  5. Step 5: Solve for x
    x = 3,670,418,305.92/66,726.93
  6. Step 6: Final answer
    x = 55,006.55

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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.