Home / 112,680.24-155,497.20-61,692.32

Finding the Fourth Proportional to 112,680.24, 155,497.20 and 61,692.32

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Solution

The fourth proportional to 112,680.24, 155,497.20 and 61,692.32 is: 85,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,680.24 : 155,497.20 = 61,692.32 : x
  2. Step 2: Convert to fraction form
    112,680.24/155,497.20 = 61,692.32/x
  3. Step 3: Cross multiply
    112,680.24x = 155,497.20 × 61,692.32
  4. Step 4: Simplify right side
    112,680.24x = 9,592,983,021.50
  5. Step 5: Solve for x
    x = 9,592,983,021.50/112,680.24
  6. Step 6: Final answer
    x = 85,134.56

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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.