Home / 67,172.73-92,711.62-38,511.64

Finding the Fourth Proportional to 67,172.73, 92,711.62 and 38,511.64

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Solution

The fourth proportional to 67,172.73, 92,711.62 and 38,511.64 is: 53,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.73 : 92,711.62 = 38,511.64 : x
  2. Step 2: Convert to fraction form
    67,172.73/92,711.62 = 38,511.64/x
  3. Step 3: Cross multiply
    67,172.73x = 92,711.62 × 38,511.64
  4. Step 4: Simplify right side
    67,172.73x = 3,570,476,533.26
  5. Step 5: Solve for x
    x = 3,570,476,533.26/67,172.73
  6. Step 6: Final answer
    x = 53,153.66

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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.