Home / 88,789.68-122,529.60-51,071.04

Finding the Fourth Proportional to 88,789.68, 122,529.60 and 51,071.04

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Solution

The fourth proportional to 88,789.68, 122,529.60 and 51,071.04 is: 70,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,789.68 : 122,529.60 = 51,071.04 : x
  2. Step 2: Convert to fraction form
    88,789.68/122,529.60 = 51,071.04/x
  3. Step 3: Cross multiply
    88,789.68x = 122,529.60 × 51,071.04
  4. Step 4: Simplify right side
    88,789.68x = 6,257,714,102.78
  5. Step 5: Solve for x
    x = 6,257,714,102.78/88,789.68
  6. Step 6: Final answer
    x = 70,477.94

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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.