Home / 47,138.32-65,051.12-25,918.95

Finding the Fourth Proportional to 47,138.32, 65,051.12 and 25,918.95

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Solution

The fourth proportional to 47,138.32, 65,051.12 and 25,918.95 is: 35,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.32 : 65,051.12 = 25,918.95 : x
  2. Step 2: Convert to fraction form
    47,138.32/65,051.12 = 25,918.95/x
  3. Step 3: Cross multiply
    47,138.32x = 65,051.12 × 25,918.95
  4. Step 4: Simplify right side
    47,138.32x = 1,686,056,726.72
  5. Step 5: Solve for x
    x = 1,686,056,726.72/47,138.32
  6. Step 6: Final answer
    x = 35,768.28

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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.