Home / 47,029.78-64,902.36-25,809.81

Finding the Fourth Proportional to 47,029.78, 64,902.36 and 25,809.81

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Solution

The fourth proportional to 47,029.78, 64,902.36 and 25,809.81 is: 35,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.78 : 64,902.36 = 25,809.81 : x
  2. Step 2: Convert to fraction form
    47,029.78/64,902.36 = 25,809.81/x
  3. Step 3: Cross multiply
    47,029.78x = 64,902.36 × 25,809.81
  4. Step 4: Simplify right side
    47,029.78x = 1,675,117,580.15
  5. Step 5: Solve for x
    x = 1,675,117,580.15/47,029.78
  6. Step 6: Final answer
    x = 35,618.23

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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.