Home / 124,831.66-172,267.68-68,243.02

Finding the Fourth Proportional to 124,831.66, 172,267.68 and 68,243.02

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Solution

The fourth proportional to 124,831.66, 172,267.68 and 68,243.02 is: 94,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.66 : 172,267.68 = 68,243.02 : x
  2. Step 2: Convert to fraction form
    124,831.66/172,267.68 = 68,243.02/x
  3. Step 3: Cross multiply
    124,831.66x = 172,267.68 × 68,243.02
  4. Step 4: Simplify right side
    124,831.66x = 11,756,066,731.59
  5. Step 5: Solve for x
    x = 11,756,066,731.59/124,831.66
  6. Step 6: Final answer
    x = 94,175.36

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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.