Home / 66,831.86-100,257-22,462.05

Finding the Fourth Proportional to 66,831.86, 100,257 and 22,462.05

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Solution

The fourth proportional to 66,831.86, 100,257 and 22,462.05 is: 33,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.86 : 100,257 = 22,462.05 : x
  2. Step 2: Convert to fraction form
    66,831.86/100,257 = 22,462.05/x
  3. Step 3: Cross multiply
    66,831.86x = 100,257 × 22,462.05
  4. Step 4: Simplify right side
    66,831.86x = 2,251,977,746.85
  5. Step 5: Solve for x
    x = 2,251,977,746.85/66,831.86
  6. Step 6: Final answer
    x = 33,696.17

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1.5x scale

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.