Home / 112,848.44-155,724.72-61,861.16

Finding the Fourth Proportional to 112,848.44, 155,724.72 and 61,861.16

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Solution

The fourth proportional to 112,848.44, 155,724.72 and 61,861.16 is: 85,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.44 : 155,724.72 = 61,861.16 : x
  2. Step 2: Convert to fraction form
    112,848.44/155,724.72 = 61,861.16/x
  3. Step 3: Cross multiply
    112,848.44x = 155,724.72 × 61,861.16
  4. Step 4: Simplify right side
    112,848.44x = 9,633,311,819.88
  5. Step 5: Solve for x
    x = 9,633,311,819.88/112,848.44
  6. Step 6: Final answer
    x = 85,365.04

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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.