Home / 51,261.36-70,694.62-32,143.28

Finding the Fourth Proportional to 51,261.36, 70,694.62 and 32,143.28

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Solution

The fourth proportional to 51,261.36, 70,694.62 and 32,143.28 is: 44,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.36 : 70,694.62 = 32,143.28 : x
  2. Step 2: Convert to fraction form
    51,261.36/70,694.62 = 32,143.28/x
  3. Step 3: Cross multiply
    51,261.36x = 70,694.62 × 32,143.28
  4. Step 4: Simplify right side
    51,261.36x = 2,272,357,109.79
  5. Step 5: Solve for x
    x = 2,272,357,109.79/51,261.36
  6. Step 6: Final answer
    x = 44,328.85

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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.