Home / 113,904.20-171,002.10-60,638.60

Finding the Fourth Proportional to 113,904.20, 171,002.10 and 60,638.60

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Solution

The fourth proportional to 113,904.20, 171,002.10 and 60,638.60 is: 91,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,904.20 : 171,002.10 = 60,638.60 : x
  2. Step 2: Convert to fraction form
    113,904.20/171,002.10 = 60,638.60/x
  3. Step 3: Cross multiply
    113,904.20x = 171,002.10 × 60,638.60
  4. Step 4: Simplify right side
    113,904.20x = 10,369,327,941.06
  5. Step 5: Solve for x
    x = 10,369,327,941.06/113,904.20
  6. Step 6: Final answer
    x = 91,035.52

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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.