Home / 45,277.31-67,916-15,695.17

Finding the Fourth Proportional to 45,277.31, 67,916 and 15,695.17

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Solution

The fourth proportional to 45,277.31, 67,916 and 15,695.17 is: 23,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.31 : 67,916 = 15,695.17 : x
  2. Step 2: Convert to fraction form
    45,277.31/67,916 = 15,695.17/x
  3. Step 3: Cross multiply
    45,277.31x = 67,916 × 15,695.17
  4. Step 4: Simplify right side
    45,277.31x = 1,065,953,165.72
  5. Step 5: Solve for x
    x = 1,065,953,165.72/45,277.31
  6. Step 6: Final answer
    x = 23,542.77

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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.