Home / 45,749.77-68,585.16-17,689.48

Finding the Fourth Proportional to 45,749.77, 68,585.16 and 17,689.48

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Solution

The fourth proportional to 45,749.77, 68,585.16 and 17,689.48 is: 26,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.77 : 68,585.16 = 17,689.48 : x
  2. Step 2: Convert to fraction form
    45,749.77/68,585.16 = 17,689.48/x
  3. Step 3: Cross multiply
    45,749.77x = 68,585.16 × 17,689.48
  4. Step 4: Simplify right side
    45,749.77x = 1,213,235,816.12
  5. Step 5: Solve for x
    x = 1,213,235,816.12/45,749.77
  6. Step 6: Final answer
    x = 26,518.95

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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.