Home / 61,290.24-84,589.68-37,430.64

Finding the Fourth Proportional to 61,290.24, 84,589.68 and 37,430.64

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Solution

The fourth proportional to 61,290.24, 84,589.68 and 37,430.64 is: 51,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,290.24 : 84,589.68 = 37,430.64 : x
  2. Step 2: Convert to fraction form
    61,290.24/84,589.68 = 37,430.64/x
  3. Step 3: Cross multiply
    61,290.24x = 84,589.68 × 37,430.64
  4. Step 4: Simplify right side
    61,290.24x = 3,166,245,859.80
  5. Step 5: Solve for x
    x = 3,166,245,859.80/61,290.24
  6. Step 6: Final answer
    x = 51,659.87

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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.