Home / 65,141.10-97,784.55-50,415.30

Finding the Fourth Proportional to 65,141.10, 97,784.55 and 50,415.30

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Solution

The fourth proportional to 65,141.10, 97,784.55 and 50,415.30 is: 75,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,141.10 : 97,784.55 = 50,415.30 : x
  2. Step 2: Convert to fraction form
    65,141.10/97,784.55 = 50,415.30/x
  3. Step 3: Cross multiply
    65,141.10x = 97,784.55 × 50,415.30
  4. Step 4: Simplify right side
    65,141.10x = 4,929,837,423.62
  5. Step 5: Solve for x
    x = 4,929,837,423.62/65,141.10
  6. Step 6: Final answer
    x = 75,679.37

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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.