Home / 45,618.58-68,438.01-14,031.82

Finding the Fourth Proportional to 45,618.58, 68,438.01 and 14,031.82

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Solution

The fourth proportional to 45,618.58, 68,438.01 and 14,031.82 is: 21,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.58 : 68,438.01 = 14,031.82 : x
  2. Step 2: Convert to fraction form
    45,618.58/68,438.01 = 14,031.82/x
  3. Step 3: Cross multiply
    45,618.58x = 68,438.01 × 14,031.82
  4. Step 4: Simplify right side
    45,618.58x = 960,309,837.48
  5. Step 5: Solve for x
    x = 960,309,837.48/45,618.58
  6. Step 6: Final answer
    x = 21,050.85

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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.