Home / 70,230.48-96,917.40-38,399.04

Finding the Fourth Proportional to 70,230.48, 96,917.40 and 38,399.04

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Solution

The fourth proportional to 70,230.48, 96,917.40 and 38,399.04 is: 52,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.48 : 96,917.40 = 38,399.04 : x
  2. Step 2: Convert to fraction form
    70,230.48/96,917.40 = 38,399.04/x
  3. Step 3: Cross multiply
    70,230.48x = 96,917.40 × 38,399.04
  4. Step 4: Simplify right side
    70,230.48x = 3,721,535,119.30
  5. Step 5: Solve for x
    x = 3,721,535,119.30/70,230.48
  6. Step 6: Final answer
    x = 52,990.31

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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.