Home / 69,119.28-95,379.66-38,903.04

Finding the Fourth Proportional to 69,119.28, 95,379.66 and 38,903.04

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Solution

The fourth proportional to 69,119.28, 95,379.66 and 38,903.04 is: 53,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119.28 : 95,379.66 = 38,903.04 : x
  2. Step 2: Convert to fraction form
    69,119.28/95,379.66 = 38,903.04/x
  3. Step 3: Cross multiply
    69,119.28x = 95,379.66 × 38,903.04
  4. Step 4: Simplify right side
    69,119.28x = 3,710,558,728.17
  5. Step 5: Solve for x
    x = 3,710,558,728.17/69,119.28
  6. Step 6: Final answer
    x = 53,683.41

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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.