Home / 100,900.10-151,285.35-41,759.30

Finding the Fourth Proportional to 100,900.10, 151,285.35 and 41,759.30

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Solution

The fourth proportional to 100,900.10, 151,285.35 and 41,759.30 is: 62,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900.10 : 151,285.35 = 41,759.30 : x
  2. Step 2: Convert to fraction form
    100,900.10/151,285.35 = 41,759.30/x
  3. Step 3: Cross multiply
    100,900.10x = 151,285.35 × 41,759.30
  4. Step 4: Simplify right side
    100,900.10x = 6,317,570,316.26
  5. Step 5: Solve for x
    x = 6,317,570,316.26/100,900.10
  6. Step 6: Final answer
    x = 62,612.13

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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.