Home / 68,706.24-94,820.16-38,498.31

Finding the Fourth Proportional to 68,706.24, 94,820.16 and 38,498.31

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Solution

The fourth proportional to 68,706.24, 94,820.16 and 38,498.31 is: 53,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,706.24 : 94,820.16 = 38,498.31 : x
  2. Step 2: Convert to fraction form
    68,706.24/94,820.16 = 38,498.31/x
  3. Step 3: Cross multiply
    68,706.24x = 94,820.16 × 38,498.31
  4. Step 4: Simplify right side
    68,706.24x = 3,650,415,913.93
  5. Step 5: Solve for x
    x = 3,650,415,913.93/68,706.24
  6. Step 6: Final answer
    x = 53,130.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.