Home / 114,644.28-171,974-39,756.54

Finding the Fourth Proportional to 114,644.28, 171,974 and 39,756.54

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Solution

The fourth proportional to 114,644.28, 171,974 and 39,756.54 is: 59,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,644.28 : 171,974 = 39,756.54 : x
  2. Step 2: Convert to fraction form
    114,644.28/171,974 = 39,756.54/x
  3. Step 3: Cross multiply
    114,644.28x = 171,974 × 39,756.54
  4. Step 4: Simplify right side
    114,644.28x = 6,837,091,209.96
  5. Step 5: Solve for x
    x = 6,837,091,209.96/114,644.28
  6. Step 6: Final answer
    x = 59,637.44

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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.