Home / 124,515.83-171,831.05-70,800.85

Finding the Fourth Proportional to 124,515.83, 171,831.05 and 70,800.85

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Solution

The fourth proportional to 124,515.83, 171,831.05 and 70,800.85 is: 97,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.83 : 171,831.05 = 70,800.85 : x
  2. Step 2: Convert to fraction form
    124,515.83/171,831.05 = 70,800.85/x
  3. Step 3: Cross multiply
    124,515.83x = 171,831.05 × 70,800.85
  4. Step 4: Simplify right side
    124,515.83x = 12,165,783,747.99
  5. Step 5: Solve for x
    x = 12,165,783,747.99/124,515.83
  6. Step 6: Final answer
    x = 97,704.71

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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.