Home / 67,783.45-101,666.49-17,867.47

Finding the Fourth Proportional to 67,783.45, 101,666.49 and 17,867.47

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Solution

The fourth proportional to 67,783.45, 101,666.49 and 17,867.47 is: 26,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,783.45 : 101,666.49 = 17,867.47 : x
  2. Step 2: Convert to fraction form
    67,783.45/101,666.49 = 17,867.47/x
  3. Step 3: Cross multiply
    67,783.45x = 101,666.49 × 17,867.47
  4. Step 4: Simplify right side
    67,783.45x = 1,816,522,960.08
  5. Step 5: Solve for x
    x = 1,816,522,960.08/67,783.45
  6. Step 6: Final answer
    x = 26,798.92

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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.