Home / 109,855.26-151,608.03-62,109.06

Finding the Fourth Proportional to 109,855.26, 151,608.03 and 62,109.06

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Solution

The fourth proportional to 109,855.26, 151,608.03 and 62,109.06 is: 85,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,855.26 : 151,608.03 = 62,109.06 : x
  2. Step 2: Convert to fraction form
    109,855.26/151,608.03 = 62,109.06/x
  3. Step 3: Cross multiply
    109,855.26x = 151,608.03 × 62,109.06
  4. Step 4: Simplify right side
    109,855.26x = 9,416,232,231.75
  5. Step 5: Solve for x
    x = 9,416,232,231.75/109,855.26
  6. Step 6: Final answer
    x = 85,714.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.