Home / 66,981.61-92,434.32-36,767.41

Finding the Fourth Proportional to 66,981.61, 92,434.32 and 36,767.41

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Solution

The fourth proportional to 66,981.61, 92,434.32 and 36,767.41 is: 50,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,981.61 : 92,434.32 = 36,767.41 : x
  2. Step 2: Convert to fraction form
    66,981.61/92,434.32 = 36,767.41/x
  3. Step 3: Cross multiply
    66,981.61x = 92,434.32 × 36,767.41
  4. Step 4: Simplify right side
    66,981.61x = 3,398,570,541.51
  5. Step 5: Solve for x
    x = 3,398,570,541.51/66,981.61
  6. Step 6: Final answer
    x = 50,738.86

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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.