Home / 45,600.53-68,411.33-14,435.78

Finding the Fourth Proportional to 45,600.53, 68,411.33 and 14,435.78

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Solution

The fourth proportional to 45,600.53, 68,411.33 and 14,435.78 is: 21,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,600.53 : 68,411.33 = 14,435.78 : x
  2. Step 2: Convert to fraction form
    45,600.53/68,411.33 = 14,435.78/x
  3. Step 3: Cross multiply
    45,600.53x = 68,411.33 × 14,435.78
  4. Step 4: Simplify right side
    45,600.53x = 987,570,837.21
  5. Step 5: Solve for x
    x = 987,570,837.21/45,600.53
  6. Step 6: Final answer
    x = 21,657.00

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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.