Home / 70,771.23-97,665.08-38,506.03

Finding the Fourth Proportional to 70,771.23, 97,665.08 and 38,506.03

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Solution

The fourth proportional to 70,771.23, 97,665.08 and 38,506.03 is: 53,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,771.23 : 97,665.08 = 38,506.03 : x
  2. Step 2: Convert to fraction form
    70,771.23/97,665.08 = 38,506.03/x
  3. Step 3: Cross multiply
    70,771.23x = 97,665.08 × 38,506.03
  4. Step 4: Simplify right side
    70,771.23x = 3,760,694,063.74
  5. Step 5: Solve for x
    x = 3,760,694,063.74/70,771.23
  6. Step 6: Final answer
    x = 53,138.74

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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.