Home / 51,875.64-77,824.40-16,812.56

Finding the Fourth Proportional to 51,875.64, 77,824.40 and 16,812.56

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Solution

The fourth proportional to 51,875.64, 77,824.40 and 16,812.56 is: 25,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.64 : 77,824.40 = 16,812.56 : x
  2. Step 2: Convert to fraction form
    51,875.64/77,824.40 = 16,812.56/x
  3. Step 3: Cross multiply
    51,875.64x = 77,824.40 × 16,812.56
  4. Step 4: Simplify right side
    51,875.64x = 1,308,427,504.96
  5. Step 5: Solve for x
    x = 1,308,427,504.96/51,875.64
  6. Step 6: Final answer
    x = 25,222.39

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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.