Home / 106,614.36-159,953.49-31,737.12

Finding the Fourth Proportional to 106,614.36, 159,953.49 and 31,737.12

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Solution

The fourth proportional to 106,614.36, 159,953.49 and 31,737.12 is: 47,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,614.36 : 159,953.49 = 31,737.12 : x
  2. Step 2: Convert to fraction form
    106,614.36/159,953.49 = 31,737.12/x
  3. Step 3: Cross multiply
    106,614.36x = 159,953.49 × 31,737.12
  4. Step 4: Simplify right side
    106,614.36x = 5,076,463,106.55
  5. Step 5: Solve for x
    x = 5,076,463,106.55/106,614.36
  6. Step 6: Final answer
    x = 47,615.19

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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.