Home / 45,427.84-68,117.03-15,837.72

Finding the Fourth Proportional to 45,427.84, 68,117.03 and 15,837.72

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Solution

The fourth proportional to 45,427.84, 68,117.03 and 15,837.72 is: 23,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.84 : 68,117.03 = 15,837.72 : x
  2. Step 2: Convert to fraction form
    45,427.84/68,117.03 = 15,837.72/x
  3. Step 3: Cross multiply
    45,427.84x = 68,117.03 × 15,837.72
  4. Step 4: Simplify right side
    45,427.84x = 1,078,818,448.37
  5. Step 5: Solve for x
    x = 1,078,818,448.37/45,427.84
  6. Step 6: Final answer
    x = 23,747.96

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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.