Home / 114,561.28-171,786.39-39,685.69

Finding the Fourth Proportional to 114,561.28, 171,786.39 and 39,685.69

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Solution

The fourth proportional to 114,561.28, 171,786.39 and 39,685.69 is: 59,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,561.28 : 171,786.39 = 39,685.69 : x
  2. Step 2: Convert to fraction form
    114,561.28/171,786.39 = 39,685.69/x
  3. Step 3: Cross multiply
    114,561.28x = 171,786.39 × 39,685.69
  4. Step 4: Simplify right side
    114,561.28x = 6,817,461,419.76
  5. Step 5: Solve for x
    x = 6,817,461,419.76/114,561.28
  6. Step 6: Final answer
    x = 59,509.30

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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.