Home / 66,812.61-92,201.38-36,599.82

Finding the Fourth Proportional to 66,812.61, 92,201.38 and 36,599.82

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Solution

The fourth proportional to 66,812.61, 92,201.38 and 36,599.82 is: 50,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812.61 : 92,201.38 = 36,599.82 : x
  2. Step 2: Convert to fraction form
    66,812.61/92,201.38 = 36,599.82/x
  3. Step 3: Cross multiply
    66,812.61x = 92,201.38 × 36,599.82
  4. Step 4: Simplify right side
    66,812.61x = 3,374,553,911.75
  5. Step 5: Solve for x
    x = 3,374,553,911.75/66,812.61
  6. Step 6: Final answer
    x = 50,507.74

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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.