Home / 40,701.66-61,047.60-11,122.08

Finding the Fourth Proportional to 40,701.66, 61,047.60 and 11,122.08

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Solution

The fourth proportional to 40,701.66, 61,047.60 and 11,122.08 is: 16,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701.66 : 61,047.60 = 11,122.08 : x
  2. Step 2: Convert to fraction form
    40,701.66/61,047.60 = 11,122.08/x
  3. Step 3: Cross multiply
    40,701.66x = 61,047.60 × 11,122.08
  4. Step 4: Simplify right side
    40,701.66x = 678,976,291.01
  5. Step 5: Solve for x
    x = 678,976,291.01/40,701.66
  6. Step 6: Final answer
    x = 16,681.78

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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.