Home / 74,426.52-111,643.43-30,047.73

Finding the Fourth Proportional to 74,426.52, 111,643.43 and 30,047.73

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Solution

The fourth proportional to 74,426.52, 111,643.43 and 30,047.73 is: 45,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.52 : 111,643.43 = 30,047.73 : x
  2. Step 2: Convert to fraction form
    74,426.52/111,643.43 = 30,047.73/x
  3. Step 3: Cross multiply
    74,426.52x = 111,643.43 × 30,047.73
  4. Step 4: Simplify right side
    74,426.52x = 3,354,631,640.91
  5. Step 5: Solve for x
    x = 3,354,631,640.91/74,426.52
  6. Step 6: Final answer
    x = 45,073.07

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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.