Home / 73,916.28-110,872.80-31,824.36

Finding the Fourth Proportional to 73,916.28, 110,872.80 and 31,824.36

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Solution

The fourth proportional to 73,916.28, 110,872.80 and 31,824.36 is: 47,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,916.28 : 110,872.80 = 31,824.36 : x
  2. Step 2: Convert to fraction form
    73,916.28/110,872.80 = 31,824.36/x
  3. Step 3: Cross multiply
    73,916.28x = 110,872.80 × 31,824.36
  4. Step 4: Simplify right side
    73,916.28x = 3,528,455,901.41
  5. Step 5: Solve for x
    x = 3,528,455,901.41/73,916.28
  6. Step 6: Final answer
    x = 47,735.84

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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.