Home / 88,246.99-121,781.61-47,960.74

Finding the Fourth Proportional to 88,246.99, 121,781.61 and 47,960.74

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Solution

The fourth proportional to 88,246.99, 121,781.61 and 47,960.74 is: 66,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.99 : 121,781.61 = 47,960.74 : x
  2. Step 2: Convert to fraction form
    88,246.99/121,781.61 = 47,960.74/x
  3. Step 3: Cross multiply
    88,246.99x = 121,781.61 × 47,960.74
  4. Step 4: Simplify right side
    88,246.99x = 5,840,736,286.22
  5. Step 5: Solve for x
    x = 5,840,736,286.22/88,246.99
  6. Step 6: Final answer
    x = 66,186.24

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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.