Home / 70,683.38-97,540.89-38,852.18

Finding the Fourth Proportional to 70,683.38, 97,540.89 and 38,852.18

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Solution

The fourth proportional to 70,683.38, 97,540.89 and 38,852.18 is: 53,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683.38 : 97,540.89 = 38,852.18 : x
  2. Step 2: Convert to fraction form
    70,683.38/97,540.89 = 38,852.18/x
  3. Step 3: Cross multiply
    70,683.38x = 97,540.89 × 38,852.18
  4. Step 4: Simplify right side
    70,683.38x = 3,789,676,215.64
  5. Step 5: Solve for x
    x = 3,789,676,215.64/70,683.38
  6. Step 6: Final answer
    x = 53,614.81

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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.