Home / 74,171.31-102,356.49-43,971.57

Finding the Fourth Proportional to 74,171.31, 102,356.49 and 43,971.57

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Solution

The fourth proportional to 74,171.31, 102,356.49 and 43,971.57 is: 60,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,171.31 : 102,356.49 = 43,971.57 : x
  2. Step 2: Convert to fraction form
    74,171.31/102,356.49 = 43,971.57/x
  3. Step 3: Cross multiply
    74,171.31x = 102,356.49 × 43,971.57
  4. Step 4: Simplify right side
    74,171.31x = 4,500,775,564.99
  5. Step 5: Solve for x
    x = 4,500,775,564.99/74,171.31
  6. Step 6: Final answer
    x = 60,680.82

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1.5x scale

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.