Home / 66,931.91-92,366.75-36,717.29

Finding the Fourth Proportional to 66,931.91, 92,366.75 and 36,717.29

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Solution

The fourth proportional to 66,931.91, 92,366.75 and 36,717.29 is: 50,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,931.91 : 92,366.75 = 36,717.29 : x
  2. Step 2: Convert to fraction form
    66,931.91/92,366.75 = 36,717.29/x
  3. Step 3: Cross multiply
    66,931.91x = 92,366.75 × 36,717.29
  4. Step 4: Simplify right side
    66,931.91x = 3,391,456,793.44
  5. Step 5: Solve for x
    x = 3,391,456,793.44/66,931.91
  6. Step 6: Final answer
    x = 50,670.25

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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.