Home / 73,167.78-109,730.02-31,047.33

Finding the Fourth Proportional to 73,167.78, 109,730.02 and 31,047.33

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Solution

The fourth proportional to 73,167.78, 109,730.02 and 31,047.33 is: 46,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.78 : 109,730.02 = 31,047.33 : x
  2. Step 2: Convert to fraction form
    73,167.78/109,730.02 = 31,047.33/x
  3. Step 3: Cross multiply
    73,167.78x = 109,730.02 × 31,047.33
  4. Step 4: Simplify right side
    73,167.78x = 3,406,824,141.85
  5. Step 5: Solve for x
    x = 3,406,824,141.85/73,167.78
  6. Step 6: Final answer
    x = 46,561.81

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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.