Home / 45,837.70-68,724.15-17,746.90

Finding the Fourth Proportional to 45,837.70, 68,724.15 and 17,746.90

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Solution

The fourth proportional to 45,837.70, 68,724.15 and 17,746.90 is: 26,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.70 : 68,724.15 = 17,746.90 : x
  2. Step 2: Convert to fraction form
    45,837.70/68,724.15 = 17,746.90/x
  3. Step 3: Cross multiply
    45,837.70x = 68,724.15 × 17,746.90
  4. Step 4: Simplify right side
    45,837.70x = 1,219,640,617.64
  5. Step 5: Solve for x
    x = 1,219,640,617.64/45,837.70
  6. Step 6: Final answer
    x = 26,607.81

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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.