Home / 45,803.31-68,714.76-14,212.68

Finding the Fourth Proportional to 45,803.31, 68,714.76 and 14,212.68

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Solution

The fourth proportional to 45,803.31, 68,714.76 and 14,212.68 is: 21,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.31 : 68,714.76 = 14,212.68 : x
  2. Step 2: Convert to fraction form
    45,803.31/68,714.76 = 14,212.68/x
  3. Step 3: Cross multiply
    45,803.31x = 68,714.76 × 14,212.68
  4. Step 4: Simplify right side
    45,803.31x = 976,620,895.16
  5. Step 5: Solve for x
    x = 976,620,895.16/45,803.31
  6. Step 6: Final answer
    x = 21,322.06

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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.