Home / 88,085.52-121,558.10-50,360.56

Finding the Fourth Proportional to 88,085.52, 121,558.10 and 50,360.56

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Solution

The fourth proportional to 88,085.52, 121,558.10 and 50,360.56 is: 69,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.52 : 121,558.10 = 50,360.56 : x
  2. Step 2: Convert to fraction form
    88,085.52/121,558.10 = 50,360.56/x
  3. Step 3: Cross multiply
    88,085.52x = 121,558.10 × 50,360.56
  4. Step 4: Simplify right side
    88,085.52x = 6,121,733,988.54
  5. Step 5: Solve for x
    x = 6,121,733,988.54/88,085.52
  6. Step 6: Final answer
    x = 69,497.62

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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.