Home / 68,436.12-94,307.27-52,321.64

Finding the Fourth Proportional to 68,436.12, 94,307.27 and 52,321.64

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Solution

The fourth proportional to 68,436.12, 94,307.27 and 52,321.64 is: 72,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.12 : 94,307.27 = 52,321.64 : x
  2. Step 2: Convert to fraction form
    68,436.12/94,307.27 = 52,321.64/x
  3. Step 3: Cross multiply
    68,436.12x = 94,307.27 × 52,321.64
  4. Step 4: Simplify right side
    68,436.12x = 4,934,311,030.32
  5. Step 5: Solve for x
    x = 4,934,311,030.32/68,436.12
  6. Step 6: Final answer
    x = 72,100.98

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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.