Home / 66,987.46-92,442.32-36,773.30

Finding the Fourth Proportional to 66,987.46, 92,442.32 and 36,773.30

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Solution

The fourth proportional to 66,987.46, 92,442.32 and 36,773.30 is: 50,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987.46 : 92,442.32 = 36,773.30 : x
  2. Step 2: Convert to fraction form
    66,987.46/92,442.32 = 36,773.30/x
  3. Step 3: Cross multiply
    66,987.46x = 92,442.32 × 36,773.30
  4. Step 4: Simplify right side
    66,987.46x = 3,399,409,166.06
  5. Step 5: Solve for x
    x = 3,399,409,166.06/66,987.46
  6. Step 6: Final answer
    x = 50,746.95

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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.