Home / 95,031.21-142,578.51-31,857.63

Finding the Fourth Proportional to 95,031.21, 142,578.51 and 31,857.63

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Solution

The fourth proportional to 95,031.21, 142,578.51 and 31,857.63 is: 47,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,031.21 : 142,578.51 = 31,857.63 : x
  2. Step 2: Convert to fraction form
    95,031.21/142,578.51 = 31,857.63/x
  3. Step 3: Cross multiply
    95,031.21x = 142,578.51 × 31,857.63
  4. Step 4: Simplify right side
    95,031.21x = 4,542,213,417.53
  5. Step 5: Solve for x
    x = 4,542,213,417.53/95,031.21
  6. Step 6: Final answer
    x = 47,797.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.