Home / 70,681.26-97,540.35-38,853.42

Finding the Fourth Proportional to 70,681.26, 97,540.35 and 38,853.42

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Solution

The fourth proportional to 70,681.26, 97,540.35 and 38,853.42 is: 53,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.26 : 97,540.35 = 38,853.42 : x
  2. Step 2: Convert to fraction form
    70,681.26/97,540.35 = 38,853.42/x
  3. Step 3: Cross multiply
    70,681.26x = 97,540.35 × 38,853.42
  4. Step 4: Simplify right side
    70,681.26x = 3,789,776,185.50
  5. Step 5: Solve for x
    x = 3,789,776,185.50/70,681.26
  6. Step 6: Final answer
    x = 53,617.84

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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.