Home / 74,132.24-111,201.46-21,541.74

Finding the Fourth Proportional to 74,132.24, 111,201.46 and 21,541.74

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Solution

The fourth proportional to 74,132.24, 111,201.46 and 21,541.74 is: 32,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.24 : 111,201.46 = 21,541.74 : x
  2. Step 2: Convert to fraction form
    74,132.24/111,201.46 = 21,541.74/x
  3. Step 3: Cross multiply
    74,132.24x = 111,201.46 × 21,541.74
  4. Step 4: Simplify right side
    74,132.24x = 2,395,472,938.94
  5. Step 5: Solve for x
    x = 2,395,472,938.94/74,132.24
  6. Step 6: Final answer
    x = 32,313.51

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1.5x scale

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.