Home / 89,042.32-122,878.60-48,206.87

Finding the Fourth Proportional to 89,042.32, 122,878.60 and 48,206.87

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Solution

The fourth proportional to 89,042.32, 122,878.60 and 48,206.87 is: 66,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,042.32 : 122,878.60 = 48,206.87 : x
  2. Step 2: Convert to fraction form
    89,042.32/122,878.60 = 48,206.87/x
  3. Step 3: Cross multiply
    89,042.32x = 122,878.60 × 48,206.87
  4. Step 4: Simplify right side
    89,042.32x = 5,923,592,695.98
  5. Step 5: Solve for x
    x = 5,923,592,695.98/89,042.32
  6. Step 6: Final answer
    x = 66,525.59

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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.