Home / 45,622.52-68,435.68-15,657.36

Finding the Fourth Proportional to 45,622.52, 68,435.68 and 15,657.36

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Solution

The fourth proportional to 45,622.52, 68,435.68 and 15,657.36 is: 23,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.52 : 68,435.68 = 15,657.36 : x
  2. Step 2: Convert to fraction form
    45,622.52/68,435.68 = 15,657.36/x
  3. Step 3: Cross multiply
    45,622.52x = 68,435.68 × 15,657.36
  4. Step 4: Simplify right side
    45,622.52x = 1,071,522,078.60
  5. Step 5: Solve for x
    x = 1,071,522,078.60/45,622.52
  6. Step 6: Final answer
    x = 23,486.69

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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.