Home / 47,200.31-65,135.18-25,690.47

Finding the Fourth Proportional to 47,200.31, 65,135.18 and 25,690.47

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Solution

The fourth proportional to 47,200.31, 65,135.18 and 25,690.47 is: 35,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.31 : 65,135.18 = 25,690.47 : x
  2. Step 2: Convert to fraction form
    47,200.31/65,135.18 = 25,690.47/x
  3. Step 3: Cross multiply
    47,200.31x = 65,135.18 × 25,690.47
  4. Step 4: Simplify right side
    47,200.31x = 1,673,353,259.28
  5. Step 5: Solve for x
    x = 1,673,353,259.28/47,200.31
  6. Step 6: Final answer
    x = 35,452.17

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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.