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Finding the Fourth Proportional to 89,574.86, 134,323.38 and 27,230.78

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Solution

The fourth proportional to 89,574.86, 134,323.38 and 27,230.78 is: 40,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.86 : 134,323.38 = 27,230.78 : x
  2. Step 2: Convert to fraction form
    89,574.86/134,323.38 = 27,230.78/x
  3. Step 3: Cross multiply
    89,574.86x = 134,323.38 × 27,230.78
  4. Step 4: Simplify right side
    89,574.86x = 3,657,730,745.44
  5. Step 5: Solve for x
    x = 3,657,730,745.44/89,574.86
  6. Step 6: Final answer
    x = 40,834.34

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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.