Home / 124,831.42-172,267.36-68,242.79

Finding the Fourth Proportional to 124,831.42, 172,267.36 and 68,242.79

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Solution

The fourth proportional to 124,831.42, 172,267.36 and 68,242.79 is: 94,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.42 : 172,267.36 = 68,242.79 : x
  2. Step 2: Convert to fraction form
    124,831.42/172,267.36 = 68,242.79/x
  3. Step 3: Cross multiply
    124,831.42x = 172,267.36 × 68,242.79
  4. Step 4: Simplify right side
    124,831.42x = 11,756,005,532.40
  5. Step 5: Solve for x
    x = 11,756,005,532.40/124,831.42
  6. Step 6: Final answer
    x = 94,175.05

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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.