Home / 70,370.05-97,107.07-38,532.80

Finding the Fourth Proportional to 70,370.05, 97,107.07 and 38,532.80

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Solution

The fourth proportional to 70,370.05, 97,107.07 and 38,532.80 is: 53,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.05 : 97,107.07 = 38,532.80 : x
  2. Step 2: Convert to fraction form
    70,370.05/97,107.07 = 38,532.80/x
  3. Step 3: Cross multiply
    70,370.05x = 97,107.07 × 38,532.80
  4. Step 4: Simplify right side
    70,370.05x = 3,741,807,306.90
  5. Step 5: Solve for x
    x = 3,741,807,306.90/70,370.05
  6. Step 6: Final answer
    x = 53,173.29

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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.