Home / 65,863.40-90,883.85-37,181.57

Finding the Fourth Proportional to 65,863.40, 90,883.85 and 37,181.57

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Solution

The fourth proportional to 65,863.40, 90,883.85 and 37,181.57 is: 51,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863.40 : 90,883.85 = 37,181.57 : x
  2. Step 2: Convert to fraction form
    65,863.40/90,883.85 = 37,181.57/x
  3. Step 3: Cross multiply
    65,863.40x = 90,883.85 × 37,181.57
  4. Step 4: Simplify right side
    65,863.40x = 3,379,203,590.32
  5. Step 5: Solve for x
    x = 3,379,203,590.32/65,863.40
  6. Step 6: Final answer
    x = 51,306.25

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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.