Home / 127,716.54-191,586.35-48,831.45

Finding the Fourth Proportional to 127,716.54, 191,586.35 and 48,831.45

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Solution

The fourth proportional to 127,716.54, 191,586.35 and 48,831.45 is: 73,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716.54 : 191,586.35 = 48,831.45 : x
  2. Step 2: Convert to fraction form
    127,716.54/191,586.35 = 48,831.45/x
  3. Step 3: Cross multiply
    127,716.54x = 191,586.35 × 48,831.45
  4. Step 4: Simplify right side
    127,716.54x = 9,355,439,270.71
  5. Step 5: Solve for x
    x = 9,355,439,270.71/127,716.54
  6. Step 6: Final answer
    x = 73,251.59

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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.