Home / 98,831.60-136,385.97-53,509.22

Finding the Fourth Proportional to 98,831.60, 136,385.97 and 53,509.22

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Solution

The fourth proportional to 98,831.60, 136,385.97 and 53,509.22 is: 73,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,831.60 : 136,385.97 = 53,509.22 : x
  2. Step 2: Convert to fraction form
    98,831.60/136,385.97 = 53,509.22/x
  3. Step 3: Cross multiply
    98,831.60x = 136,385.97 × 53,509.22
  4. Step 4: Simplify right side
    98,831.60x = 7,297,906,873.64
  5. Step 5: Solve for x
    x = 7,297,906,873.64/98,831.60
  6. Step 6: Final answer
    x = 73,841.84

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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.