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Finding the Fourth Proportional to 66,714.21, 92,064.84 and 36,499.17

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Solution

The fourth proportional to 66,714.21, 92,064.84 and 36,499.17 is: 50,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.21 : 92,064.84 = 36,499.17 : x
  2. Step 2: Convert to fraction form
    66,714.21/92,064.84 = 36,499.17/x
  3. Step 3: Cross multiply
    66,714.21x = 92,064.84 × 36,499.17
  4. Step 4: Simplify right side
    66,714.21x = 3,360,290,246.18
  5. Step 5: Solve for x
    x = 3,360,290,246.18/66,714.21
  6. Step 6: Final answer
    x = 50,368.43

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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.