Home / 47,139.84-65,052.99-25,920.54

Finding the Fourth Proportional to 47,139.84, 65,052.99 and 25,920.54

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Solution

The fourth proportional to 47,139.84, 65,052.99 and 25,920.54 is: 35,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.84 : 65,052.99 = 25,920.54 : x
  2. Step 2: Convert to fraction form
    47,139.84/65,052.99 = 25,920.54/x
  3. Step 3: Cross multiply
    47,139.84x = 65,052.99 × 25,920.54
  4. Step 4: Simplify right side
    47,139.84x = 1,686,208,629.41
  5. Step 5: Solve for x
    x = 1,686,208,629.41/47,139.84
  6. Step 6: Final answer
    x = 35,770.35

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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.