Home / 112,466.48-168,635.93-45,828.59

Finding the Fourth Proportional to 112,466.48, 168,635.93 and 45,828.59

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Solution

The fourth proportional to 112,466.48, 168,635.93 and 45,828.59 is: 68,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466.48 : 168,635.93 = 45,828.59 : x
  2. Step 2: Convert to fraction form
    112,466.48/168,635.93 = 45,828.59/x
  3. Step 3: Cross multiply
    112,466.48x = 168,635.93 × 45,828.59
  4. Step 4: Simplify right side
    112,466.48x = 7,728,345,822.92
  5. Step 5: Solve for x
    x = 7,728,345,822.92/112,466.48
  6. Step 6: Final answer
    x = 68,716.88

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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.