Home / 64,939.19-89,615.20-36,259.29

Finding the Fourth Proportional to 64,939.19, 89,615.20 and 36,259.29

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Solution

The fourth proportional to 64,939.19, 89,615.20 and 36,259.29 is: 50,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.19 : 89,615.20 = 36,259.29 : x
  2. Step 2: Convert to fraction form
    64,939.19/89,615.20 = 36,259.29/x
  3. Step 3: Cross multiply
    64,939.19x = 89,615.20 × 36,259.29
  4. Step 4: Simplify right side
    64,939.19x = 3,249,383,434.56
  5. Step 5: Solve for x
    x = 3,249,383,434.56/64,939.19
  6. Step 6: Final answer
    x = 50,037.33

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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.