Home / 68,533.11-94,573.80-38,318.49

Finding the Fourth Proportional to 68,533.11, 94,573.80 and 38,318.49

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Solution

The fourth proportional to 68,533.11, 94,573.80 and 38,318.49 is: 52,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533.11 : 94,573.80 = 38,318.49 : x
  2. Step 2: Convert to fraction form
    68,533.11/94,573.80 = 38,318.49/x
  3. Step 3: Cross multiply
    68,533.11x = 94,573.80 × 38,318.49
  4. Step 4: Simplify right side
    68,533.11x = 3,623,925,209.56
  5. Step 5: Solve for x
    x = 3,623,925,209.56/68,533.11
  6. Step 6: Final answer
    x = 52,878.46

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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.