Home / 45,491.52-68,173.24-17,381.28

Finding the Fourth Proportional to 45,491.52, 68,173.24 and 17,381.28

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Solution

The fourth proportional to 45,491.52, 68,173.24 and 17,381.28 is: 26,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.52 : 68,173.24 = 17,381.28 : x
  2. Step 2: Convert to fraction form
    45,491.52/68,173.24 = 17,381.28/x
  3. Step 3: Cross multiply
    45,491.52x = 68,173.24 × 17,381.28
  4. Step 4: Simplify right side
    45,491.52x = 1,184,938,172.95
  5. Step 5: Solve for x
    x = 1,184,938,172.95/45,491.52
  6. Step 6: Final answer
    x = 26,047.45

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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.