Home / 118,708.56-163,831.05-67,733.91

Finding the Fourth Proportional to 118,708.56, 163,831.05 and 67,733.91

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Solution

The fourth proportional to 118,708.56, 163,831.05 and 67,733.91 is: 93,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.56 : 163,831.05 = 67,733.91 : x
  2. Step 2: Convert to fraction form
    118,708.56/163,831.05 = 67,733.91/x
  3. Step 3: Cross multiply
    118,708.56x = 163,831.05 × 67,733.91
  4. Step 4: Simplify right side
    118,708.56x = 11,096,917,595.91
  5. Step 5: Solve for x
    x = 11,096,917,595.91/118,708.56
  6. Step 6: Final answer
    x = 93,480.35

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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.