Home / 102,427.16-153,640.80-32,311.94

Finding the Fourth Proportional to 102,427.16, 153,640.80 and 32,311.94

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Solution

The fourth proportional to 102,427.16, 153,640.80 and 32,311.94 is: 48,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,427.16 : 153,640.80 = 32,311.94 : x
  2. Step 2: Convert to fraction form
    102,427.16/153,640.80 = 32,311.94/x
  3. Step 3: Cross multiply
    102,427.16x = 153,640.80 × 32,311.94
  4. Step 4: Simplify right side
    102,427.16x = 4,964,431,542.95
  5. Step 5: Solve for x
    x = 4,964,431,542.95/102,427.16
  6. Step 6: Final answer
    x = 48,467.92

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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.