Home / 53,571.45-73,889.31-38,479.62

Finding the Fourth Proportional to 53,571.45, 73,889.31 and 38,479.62

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Solution

The fourth proportional to 53,571.45, 73,889.31 and 38,479.62 is: 53,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,571.45 : 73,889.31 = 38,479.62 : x
  2. Step 2: Convert to fraction form
    53,571.45/73,889.31 = 38,479.62/x
  3. Step 3: Cross multiply
    53,571.45x = 73,889.31 × 38,479.62
  4. Step 4: Simplify right side
    53,571.45x = 2,843,232,570.86
  5. Step 5: Solve for x
    x = 2,843,232,570.86/53,571.45
  6. Step 6: Final answer
    x = 53,073.65

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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.