Home / 85,308.44-117,725.31-47,070.37

Finding the Fourth Proportional to 85,308.44, 117,725.31 and 47,070.37

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Solution

The fourth proportional to 85,308.44, 117,725.31 and 47,070.37 is: 64,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,308.44 : 117,725.31 = 47,070.37 : x
  2. Step 2: Convert to fraction form
    85,308.44/117,725.31 = 47,070.37/x
  3. Step 3: Cross multiply
    85,308.44x = 117,725.31 × 47,070.37
  4. Step 4: Simplify right side
    85,308.44x = 5,541,373,900.06
  5. Step 5: Solve for x
    x = 5,541,373,900.06/85,308.44
  6. Step 6: Final answer
    x = 64,956.92

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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.