Home / 96,727.20-145,115.28-46,831.20

Finding the Fourth Proportional to 96,727.20, 145,115.28 and 46,831.20

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Solution

The fourth proportional to 96,727.20, 145,115.28 and 46,831.20 is: 70,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,727.20 : 145,115.28 = 46,831.20 : x
  2. Step 2: Convert to fraction form
    96,727.20/145,115.28 = 46,831.20/x
  3. Step 3: Cross multiply
    96,727.20x = 145,115.28 × 46,831.20
  4. Step 4: Simplify right side
    96,727.20x = 6,795,922,700.74
  5. Step 5: Solve for x
    x = 6,795,922,700.74/96,727.20
  6. Step 6: Final answer
    x = 70,258.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.