Home / 114,078.38-171,117.59-30,972.38

Finding the Fourth Proportional to 114,078.38, 171,117.59 and 30,972.38

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Solution

The fourth proportional to 114,078.38, 171,117.59 and 30,972.38 is: 46,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,078.38 : 171,117.59 = 30,972.38 : x
  2. Step 2: Convert to fraction form
    114,078.38/171,117.59 = 30,972.38/x
  3. Step 3: Cross multiply
    114,078.38x = 171,117.59 × 30,972.38
  4. Step 4: Simplify right side
    114,078.38x = 5,299,918,011.71
  5. Step 5: Solve for x
    x = 5,299,918,011.71/114,078.38
  6. Step 6: Final answer
    x = 46,458.57

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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.