Home / 70,434.12-97,198.90-38,169.64

Finding the Fourth Proportional to 70,434.12, 97,198.90 and 38,169.64

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Solution

The fourth proportional to 70,434.12, 97,198.90 and 38,169.64 is: 52,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.12 : 97,198.90 = 38,169.64 : x
  2. Step 2: Convert to fraction form
    70,434.12/97,198.90 = 38,169.64/x
  3. Step 3: Cross multiply
    70,434.12x = 97,198.90 × 38,169.64
  4. Step 4: Simplify right side
    70,434.12x = 3,710,046,344.55
  5. Step 5: Solve for x
    x = 3,710,046,344.55/70,434.12
  6. Step 6: Final answer
    x = 52,673.99

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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.