Home / 42,733.74-64,100.40-11,568.99

Finding the Fourth Proportional to 42,733.74, 64,100.40 and 11,568.99

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Solution

The fourth proportional to 42,733.74, 64,100.40 and 11,568.99 is: 17,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.74 : 64,100.40 = 11,568.99 : x
  2. Step 2: Convert to fraction form
    42,733.74/64,100.40 = 11,568.99/x
  3. Step 3: Cross multiply
    42,733.74x = 64,100.40 × 11,568.99
  4. Step 4: Simplify right side
    42,733.74x = 741,576,886.60
  5. Step 5: Solve for x
    x = 741,576,886.60/42,733.74
  6. Step 6: Final answer
    x = 17,353.43

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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.