Home / 68,436.36-94,439.52-42,956.46

Finding the Fourth Proportional to 68,436.36, 94,439.52 and 42,956.46

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Solution

The fourth proportional to 68,436.36, 94,439.52 and 42,956.46 is: 59,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.36 : 94,439.52 = 42,956.46 : x
  2. Step 2: Convert to fraction form
    68,436.36/94,439.52 = 42,956.46/x
  3. Step 3: Cross multiply
    68,436.36x = 94,439.52 × 42,956.46
  4. Step 4: Simplify right side
    68,436.36x = 4,056,787,463.30
  5. Step 5: Solve for x
    x = 4,056,787,463.30/68,436.36
  6. Step 6: Final answer
    x = 59,278.25

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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.