Home / 70,741.26-97,621.34-38,909.48

Finding the Fourth Proportional to 70,741.26, 97,621.34 and 38,909.48

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Solution

The fourth proportional to 70,741.26, 97,621.34 and 38,909.48 is: 53,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.26 : 97,621.34 = 38,909.48 : x
  2. Step 2: Convert to fraction form
    70,741.26/97,621.34 = 38,909.48/x
  3. Step 3: Cross multiply
    70,741.26x = 97,621.34 × 38,909.48
  4. Step 4: Simplify right side
    70,741.26x = 3,798,394,893.65
  5. Step 5: Solve for x
    x = 3,798,394,893.65/70,741.26
  6. Step 6: Final answer
    x = 53,694.19

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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.