Home / 88,354.35-121,889.48-59,664.83

Finding the Fourth Proportional to 88,354.35, 121,889.48 and 59,664.83

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Solution

The fourth proportional to 88,354.35, 121,889.48 and 59,664.83 is: 82,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,354.35 : 121,889.48 = 59,664.83 : x
  2. Step 2: Convert to fraction form
    88,354.35/121,889.48 = 59,664.83/x
  3. Step 3: Cross multiply
    88,354.35x = 121,889.48 × 59,664.83
  4. Step 4: Simplify right side
    88,354.35x = 7,272,514,195.22
  5. Step 5: Solve for x
    x = 7,272,514,195.22/88,354.35
  6. Step 6: Final answer
    x = 82,310.77

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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.