Home / 51,086.61-70,509.26-31,975.29

Finding the Fourth Proportional to 51,086.61, 70,509.26 and 31,975.29

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Solution

The fourth proportional to 51,086.61, 70,509.26 and 31,975.29 is: 44,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086.61 : 70,509.26 = 31,975.29 : x
  2. Step 2: Convert to fraction form
    51,086.61/70,509.26 = 31,975.29/x
  3. Step 3: Cross multiply
    51,086.61x = 70,509.26 × 31,975.29
  4. Step 4: Simplify right side
    51,086.61x = 2,254,553,876.31
  5. Step 5: Solve for x
    x = 2,254,553,876.31/51,086.61
  6. Step 6: Final answer
    x = 44,131.99

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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.