Home / 104,921.60-157,354.88-71,635.52

Finding the Fourth Proportional to 104,921.60, 157,354.88 and 71,635.52

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Solution

The fourth proportional to 104,921.60, 157,354.88 and 71,635.52 is: 107,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.60 : 157,354.88 = 71,635.52 : x
  2. Step 2: Convert to fraction form
    104,921.60/157,354.88 = 71,635.52/x
  3. Step 3: Cross multiply
    104,921.60x = 157,354.88 × 71,635.52
  4. Step 4: Simplify right side
    104,921.60x = 11,272,198,653.34
  5. Step 5: Solve for x
    x = 11,272,198,653.34/104,921.60
  6. Step 6: Final answer
    x = 107,434.49

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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.