Home / 57,967.10-86,963.14-17,985.30

Finding the Fourth Proportional to 57,967.10, 86,963.14 and 17,985.30

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Solution

The fourth proportional to 57,967.10, 86,963.14 and 17,985.30 is: 26,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,967.10 : 86,963.14 = 17,985.30 : x
  2. Step 2: Convert to fraction form
    57,967.10/86,963.14 = 17,985.30/x
  3. Step 3: Cross multiply
    57,967.10x = 86,963.14 × 17,985.30
  4. Step 4: Simplify right side
    57,967.10x = 1,564,058,161.84
  5. Step 5: Solve for x
    x = 1,564,058,161.84/57,967.10
  6. Step 6: Final answer
    x = 26,981.83

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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.