Home / 47,110.64-70,673.64-13,831.79

Finding the Fourth Proportional to 47,110.64, 70,673.64 and 13,831.79

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Solution

The fourth proportional to 47,110.64, 70,673.64 and 13,831.79 is: 20,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.64 : 70,673.64 = 13,831.79 : x
  2. Step 2: Convert to fraction form
    47,110.64/70,673.64 = 13,831.79/x
  3. Step 3: Cross multiply
    47,110.64x = 70,673.64 × 13,831.79
  4. Step 4: Simplify right side
    47,110.64x = 977,542,593.65
  5. Step 5: Solve for x
    x = 977,542,593.65/47,110.64
  6. Step 6: Final answer
    x = 20,749.93

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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.