Home / 53,613.13-80,419.69-36,729.49

Finding the Fourth Proportional to 53,613.13, 80,419.69 and 36,729.49

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Solution

The fourth proportional to 53,613.13, 80,419.69 and 36,729.49 is: 55,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.13 : 80,419.69 = 36,729.49 : x
  2. Step 2: Convert to fraction form
    53,613.13/80,419.69 = 36,729.49/x
  3. Step 3: Cross multiply
    53,613.13x = 80,419.69 × 36,729.49
  4. Step 4: Simplify right side
    53,613.13x = 2,953,773,797.56
  5. Step 5: Solve for x
    x = 2,953,773,797.56/53,613.13
  6. Step 6: Final answer
    x = 55,094.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.