Home / 118,889.40-164,062.44-71,114.52

Finding the Fourth Proportional to 118,889.40, 164,062.44 and 71,114.52

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Solution

The fourth proportional to 118,889.40, 164,062.44 and 71,114.52 is: 98,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,889.40 : 164,062.44 = 71,114.52 : x
  2. Step 2: Convert to fraction form
    118,889.40/164,062.44 = 71,114.52/x
  3. Step 3: Cross multiply
    118,889.40x = 164,062.44 × 71,114.52
  4. Step 4: Simplify right side
    118,889.40x = 11,667,221,670.63
  5. Step 5: Solve for x
    x = 11,667,221,670.63/118,889.40
  6. Step 6: Final answer
    x = 98,135.09

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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.