Home / 124,831.40-187,247.10-36,087.80

Finding the Fourth Proportional to 124,831.40, 187,247.10 and 36,087.80

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Solution

The fourth proportional to 124,831.40, 187,247.10 and 36,087.80 is: 54,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.40 : 187,247.10 = 36,087.80 : x
  2. Step 2: Convert to fraction form
    124,831.40/187,247.10 = 36,087.80/x
  3. Step 3: Cross multiply
    124,831.40x = 187,247.10 × 36,087.80
  4. Step 4: Simplify right side
    124,831.40x = 6,757,335,895.38
  5. Step 5: Solve for x
    x = 6,757,335,895.38/124,831.40
  6. Step 6: Final answer
    x = 54,131.70

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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.