Home / 40,723.67-61,089.15-11,141.66

Finding the Fourth Proportional to 40,723.67, 61,089.15 and 11,141.66

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Solution

The fourth proportional to 40,723.67, 61,089.15 and 11,141.66 is: 16,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.67 : 61,089.15 = 11,141.66 : x
  2. Step 2: Convert to fraction form
    40,723.67/61,089.15 = 11,141.66/x
  3. Step 3: Cross multiply
    40,723.67x = 61,089.15 × 11,141.66
  4. Step 4: Simplify right side
    40,723.67x = 680,634,538.99
  5. Step 5: Solve for x
    x = 680,634,538.99/40,723.67
  6. Step 6: Final answer
    x = 16,713.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.