Home / 45,670.47-68,511.15-19,371.75

Finding the Fourth Proportional to 45,670.47, 68,511.15 and 19,371.75

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Solution

The fourth proportional to 45,670.47, 68,511.15 and 19,371.75 is: 29,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.47 : 68,511.15 = 19,371.75 : x
  2. Step 2: Convert to fraction form
    45,670.47/68,511.15 = 19,371.75/x
  3. Step 3: Cross multiply
    45,670.47x = 68,511.15 × 19,371.75
  4. Step 4: Simplify right side
    45,670.47x = 1,327,180,870.01
  5. Step 5: Solve for x
    x = 1,327,180,870.01/45,670.47
  6. Step 6: Final answer
    x = 29,059.93

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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.