Home / 88,218.07-121,741.43-47,932.16

Finding the Fourth Proportional to 88,218.07, 121,741.43 and 47,932.16

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Solution

The fourth proportional to 88,218.07, 121,741.43 and 47,932.16 is: 66,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.07 : 121,741.43 = 47,932.16 : x
  2. Step 2: Convert to fraction form
    88,218.07/121,741.43 = 47,932.16/x
  3. Step 3: Cross multiply
    88,218.07x = 121,741.43 × 47,932.16
  4. Step 4: Simplify right side
    88,218.07x = 5,835,329,092.68
  5. Step 5: Solve for x
    x = 5,835,329,092.68/88,218.07
  6. Step 6: Final answer
    x = 66,146.65

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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.