Home / 68,333.88-94,300.95-38,121.18

Finding the Fourth Proportional to 68,333.88, 94,300.95 and 38,121.18

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Solution

The fourth proportional to 68,333.88, 94,300.95 and 38,121.18 is: 52,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,333.88 : 94,300.95 = 38,121.18 : x
  2. Step 2: Convert to fraction form
    68,333.88/94,300.95 = 38,121.18/x
  3. Step 3: Cross multiply
    68,333.88x = 94,300.95 × 38,121.18
  4. Step 4: Simplify right side
    68,333.88x = 3,594,863,489.12
  5. Step 5: Solve for x
    x = 3,594,863,489.12/68,333.88
  6. Step 6: Final answer
    x = 52,607.34

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1.5x scale

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.