Home / 69,970.32-96,559.04-38,139.44

Finding the Fourth Proportional to 69,970.32, 96,559.04 and 38,139.44

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Solution

The fourth proportional to 69,970.32, 96,559.04 and 38,139.44 is: 52,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.32 : 96,559.04 = 38,139.44 : x
  2. Step 2: Convert to fraction form
    69,970.32/96,559.04 = 38,139.44/x
  3. Step 3: Cross multiply
    69,970.32x = 96,559.04 × 38,139.44
  4. Step 4: Simplify right side
    69,970.32x = 3,682,707,039.05
  5. Step 5: Solve for x
    x = 3,682,707,039.05/69,970.32
  6. Step 6: Final answer
    x = 52,632.42

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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.