Home / 118,831.24-163,977.78-68,520.52

Finding the Fourth Proportional to 118,831.24, 163,977.78 and 68,520.52

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Solution

The fourth proportional to 118,831.24, 163,977.78 and 68,520.52 is: 94,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,831.24 : 163,977.78 = 68,520.52 : x
  2. Step 2: Convert to fraction form
    118,831.24/163,977.78 = 68,520.52/x
  3. Step 3: Cross multiply
    118,831.24x = 163,977.78 × 68,520.52
  4. Step 4: Simplify right side
    118,831.24x = 11,235,842,754.05
  5. Step 5: Solve for x
    x = 11,235,842,754.05/118,831.24
  6. Step 6: Final answer
    x = 94,552.94

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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.