Home / 100,853.10-151,214.85-41,712.30

Finding the Fourth Proportional to 100,853.10, 151,214.85 and 41,712.30

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Solution

The fourth proportional to 100,853.10, 151,214.85 and 41,712.30 is: 62,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,853.10 : 151,214.85 = 41,712.30 : x
  2. Step 2: Convert to fraction form
    100,853.10/151,214.85 = 41,712.30/x
  3. Step 3: Cross multiply
    100,853.10x = 151,214.85 × 41,712.30
  4. Step 4: Simplify right side
    100,853.10x = 6,307,519,187.66
  5. Step 5: Solve for x
    x = 6,307,519,187.66/100,853.10
  6. Step 6: Final answer
    x = 62,541.65

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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.