Home / 51,101.64-70,509.49-29,876.81

Finding the Fourth Proportional to 51,101.64, 70,509.49 and 29,876.81

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Solution

The fourth proportional to 51,101.64, 70,509.49 and 29,876.81 is: 41,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,101.64 : 70,509.49 = 29,876.81 : x
  2. Step 2: Convert to fraction form
    51,101.64/70,509.49 = 29,876.81/x
  3. Step 3: Cross multiply
    51,101.64x = 70,509.49 × 29,876.81
  4. Step 4: Simplify right side
    51,101.64x = 2,106,598,208.69
  5. Step 5: Solve for x
    x = 2,106,598,208.69/51,101.64
  6. Step 6: Final answer
    x = 41,223.69

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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.