Home / 70,741.55-106,018.57-51,933.66

Finding the Fourth Proportional to 70,741.55, 106,018.57 and 51,933.66

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Solution

The fourth proportional to 70,741.55, 106,018.57 and 51,933.66 is: 77,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.55 : 106,018.57 = 51,933.66 : x
  2. Step 2: Convert to fraction form
    70,741.55/106,018.57 = 51,933.66/x
  3. Step 3: Cross multiply
    70,741.55x = 106,018.57 × 51,933.66
  4. Step 4: Simplify right side
    70,741.55x = 5,505,932,035.41
  5. Step 5: Solve for x
    x = 5,505,932,035.41/70,741.55
  6. Step 6: Final answer
    x = 77,831.65

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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.