Home / 67,312.17-100,960.41-17,388.36

Finding the Fourth Proportional to 67,312.17, 100,960.41 and 17,388.36

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Solution

The fourth proportional to 67,312.17, 100,960.41 and 17,388.36 is: 26,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.17 : 100,960.41 = 17,388.36 : x
  2. Step 2: Convert to fraction form
    67,312.17/100,960.41 = 17,388.36/x
  3. Step 3: Cross multiply
    67,312.17x = 100,960.41 × 17,388.36
  4. Step 4: Simplify right side
    67,312.17x = 1,755,535,954.83
  5. Step 5: Solve for x
    x = 1,755,535,954.83/67,312.17
  6. Step 6: Final answer
    x = 26,080.51

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1.5x scale

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.