Home / 97,288.20-145,915.02-27,150.12

Finding the Fourth Proportional to 97,288.20, 145,915.02 and 27,150.12

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Solution

The fourth proportional to 97,288.20, 145,915.02 and 27,150.12 is: 40,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.20 : 145,915.02 = 27,150.12 : x
  2. Step 2: Convert to fraction form
    97,288.20/145,915.02 = 27,150.12/x
  3. Step 3: Cross multiply
    97,288.20x = 145,915.02 × 27,150.12
  4. Step 4: Simplify right side
    97,288.20x = 3,961,610,302.80
  5. Step 5: Solve for x
    x = 3,961,610,302.80/97,288.20
  6. Step 6: Final answer
    x = 40,720.36

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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.