Home / 78,533.31-117,798.44-22,373.79

Finding the Fourth Proportional to 78,533.31, 117,798.44 and 22,373.79

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Solution

The fourth proportional to 78,533.31, 117,798.44 and 22,373.79 is: 33,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533.31 : 117,798.44 = 22,373.79 : x
  2. Step 2: Convert to fraction form
    78,533.31/117,798.44 = 22,373.79/x
  3. Step 3: Cross multiply
    78,533.31x = 117,798.44 × 22,373.79
  4. Step 4: Simplify right side
    78,533.31x = 2,635,597,005.27
  5. Step 5: Solve for x
    x = 2,635,597,005.27/78,533.31
  6. Step 6: Final answer
    x = 33,560.24

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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.