Home / 71,608.08-98,808.15-41,387.57

Finding the Fourth Proportional to 71,608.08, 98,808.15 and 41,387.57

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Solution

The fourth proportional to 71,608.08, 98,808.15 and 41,387.57 is: 57,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.08 : 98,808.15 = 41,387.57 : x
  2. Step 2: Convert to fraction form
    71,608.08/98,808.15 = 41,387.57/x
  3. Step 3: Cross multiply
    71,608.08x = 98,808.15 × 41,387.57
  4. Step 4: Simplify right side
    71,608.08x = 4,089,429,224.70
  5. Step 5: Solve for x
    x = 4,089,429,224.70/71,608.08
  6. Step 6: Final answer
    x = 57,108.49

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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.