Home / 66,811.32-92,173.96-38,132.57

Finding the Fourth Proportional to 66,811.32, 92,173.96 and 38,132.57

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Solution

The fourth proportional to 66,811.32, 92,173.96 and 38,132.57 is: 52,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.32 : 92,173.96 = 38,132.57 : x
  2. Step 2: Convert to fraction form
    66,811.32/92,173.96 = 38,132.57/x
  3. Step 3: Cross multiply
    66,811.32x = 92,173.96 × 38,132.57
  4. Step 4: Simplify right side
    66,811.32x = 3,514,830,116.98
  5. Step 5: Solve for x
    x = 3,514,830,116.98/66,811.32
  6. Step 6: Final answer
    x = 52,608.30

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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.