Home / 88,403.24-121,941.38-53,932.22

Finding the Fourth Proportional to 88,403.24, 121,941.38 and 53,932.22

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Solution

The fourth proportional to 88,403.24, 121,941.38 and 53,932.22 is: 74,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.24 : 121,941.38 = 53,932.22 : x
  2. Step 2: Convert to fraction form
    88,403.24/121,941.38 = 53,932.22/x
  3. Step 3: Cross multiply
    88,403.24x = 121,941.38 × 53,932.22
  4. Step 4: Simplify right side
    88,403.24x = 6,576,569,333.26
  5. Step 5: Solve for x
    x = 6,576,569,333.26/88,403.24
  6. Step 6: Final answer
    x = 74,392.85

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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.