Home / 66,715.12-92,066.49-36,499.88

Finding the Fourth Proportional to 66,715.12, 92,066.49 and 36,499.88

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Solution

The fourth proportional to 66,715.12, 92,066.49 and 36,499.88 is: 50,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.12 : 92,066.49 = 36,499.88 : x
  2. Step 2: Convert to fraction form
    66,715.12/92,066.49 = 36,499.88/x
  3. Step 3: Cross multiply
    66,715.12x = 92,066.49 × 36,499.88
  4. Step 4: Simplify right side
    66,715.12x = 3,360,415,837.02
  5. Step 5: Solve for x
    x = 3,360,415,837.02/66,715.12
  6. Step 6: Final answer
    x = 50,369.63

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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.