Home / 65,780.60-90,755.04-37,466.24

Finding the Fourth Proportional to 65,780.60, 90,755.04 and 37,466.24

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Solution

The fourth proportional to 65,780.60, 90,755.04 and 37,466.24 is: 51,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,780.60 : 90,755.04 = 37,466.24 : x
  2. Step 2: Convert to fraction form
    65,780.60/90,755.04 = 37,466.24/x
  3. Step 3: Cross multiply
    65,780.60x = 90,755.04 × 37,466.24
  4. Step 4: Simplify right side
    65,780.60x = 3,400,250,109.85
  5. Step 5: Solve for x
    x = 3,400,250,109.85/65,780.60
  6. Step 6: Final answer
    x = 51,690.77

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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.