Home / 88,091.52-121,566.37-47,805.28

Finding the Fourth Proportional to 88,091.52, 121,566.37 and 47,805.28

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Solution

The fourth proportional to 88,091.52, 121,566.37 and 47,805.28 is: 65,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.52 : 121,566.37 = 47,805.28 : x
  2. Step 2: Convert to fraction form
    88,091.52/121,566.37 = 47,805.28/x
  3. Step 3: Cross multiply
    88,091.52x = 121,566.37 × 47,805.28
  4. Step 4: Simplify right side
    88,091.52x = 5,811,514,356.43
  5. Step 5: Solve for x
    x = 5,811,514,356.43/88,091.52
  6. Step 6: Final answer
    x = 65,971.33

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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.