Home / 66,983.71-92,440.85-36,768.79

Finding the Fourth Proportional to 66,983.71, 92,440.85 and 36,768.79

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Solution

The fourth proportional to 66,983.71, 92,440.85 and 36,768.79 is: 50,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,983.71 : 92,440.85 = 36,768.79 : x
  2. Step 2: Convert to fraction form
    66,983.71/92,440.85 = 36,768.79/x
  3. Step 3: Cross multiply
    66,983.71x = 92,440.85 × 36,768.79
  4. Step 4: Simplify right side
    66,983.71x = 3,398,937,612.80
  5. Step 5: Solve for x
    x = 3,398,937,612.80/66,983.71
  6. Step 6: Final answer
    x = 50,742.75

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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.