Home / 66,803.66-92,166.17-38,102.58

Finding the Fourth Proportional to 66,803.66, 92,166.17 and 38,102.58

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Solution

The fourth proportional to 66,803.66, 92,166.17 and 38,102.58 is: 52,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.66 : 92,166.17 = 38,102.58 : x
  2. Step 2: Convert to fraction form
    66,803.66/92,166.17 = 38,102.58/x
  3. Step 3: Cross multiply
    66,803.66x = 92,166.17 × 38,102.58
  4. Step 4: Simplify right side
    66,803.66x = 3,511,768,675.21
  5. Step 5: Solve for x
    x = 3,511,768,675.21/66,803.66
  6. Step 6: Final answer
    x = 52,568.51

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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.