Home / 64,381.40-96,561.30-17,623.16

Finding the Fourth Proportional to 64,381.40, 96,561.30 and 17,623.16

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Solution

The fourth proportional to 64,381.40, 96,561.30 and 17,623.16 is: 26,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.40 : 96,561.30 = 17,623.16 : x
  2. Step 2: Convert to fraction form
    64,381.40/96,561.30 = 17,623.16/x
  3. Step 3: Cross multiply
    64,381.40x = 96,561.30 × 17,623.16
  4. Step 4: Simplify right side
    64,381.40x = 1,701,715,239.71
  5. Step 5: Solve for x
    x = 1,701,715,239.71/64,381.40
  6. Step 6: Final answer
    x = 26,431.78

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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.