Home / 47,926.07-66,173.17-30,940.22

Finding the Fourth Proportional to 47,926.07, 66,173.17 and 30,940.22

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Solution

The fourth proportional to 47,926.07, 66,173.17 and 30,940.22 is: 42,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.07 : 66,173.17 = 30,940.22 : x
  2. Step 2: Convert to fraction form
    47,926.07/66,173.17 = 30,940.22/x
  3. Step 3: Cross multiply
    47,926.07x = 66,173.17 × 30,940.22
  4. Step 4: Simplify right side
    47,926.07x = 2,047,412,437.90
  5. Step 5: Solve for x
    x = 2,047,412,437.90/47,926.07
  6. Step 6: Final answer
    x = 42,720.22

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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.