Home / 74,792.30-103,211.38-40,800.85

Finding the Fourth Proportional to 74,792.30, 103,211.38 and 40,800.85

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Solution

The fourth proportional to 74,792.30, 103,211.38 and 40,800.85 is: 56,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.30 : 103,211.38 = 40,800.85 : x
  2. Step 2: Convert to fraction form
    74,792.30/103,211.38 = 40,800.85/x
  3. Step 3: Cross multiply
    74,792.30x = 103,211.38 × 40,800.85
  4. Step 4: Simplify right side
    74,792.30x = 4,211,112,033.67
  5. Step 5: Solve for x
    x = 4,211,112,033.67/74,792.30
  6. Step 6: Final answer
    x = 56,304.09

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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.