Home / 74,572.17-111,791.92-27,178.35

Finding the Fourth Proportional to 74,572.17, 111,791.92 and 27,178.35

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Solution

The fourth proportional to 74,572.17, 111,791.92 and 27,178.35 is: 40,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.17 : 111,791.92 = 27,178.35 : x
  2. Step 2: Convert to fraction form
    74,572.17/111,791.92 = 27,178.35/x
  3. Step 3: Cross multiply
    74,572.17x = 111,791.92 × 27,178.35
  4. Step 4: Simplify right side
    74,572.17x = 3,038,319,928.93
  5. Step 5: Solve for x
    x = 3,038,319,928.93/74,572.17
  6. Step 6: Final answer
    x = 40,743.35

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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.