Home / 53,470.44-80,155.22-18,385.56

Finding the Fourth Proportional to 53,470.44, 80,155.22 and 18,385.56

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Solution

The fourth proportional to 53,470.44, 80,155.22 and 18,385.56 is: 27,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.44 : 80,155.22 = 18,385.56 : x
  2. Step 2: Convert to fraction form
    53,470.44/80,155.22 = 18,385.56/x
  3. Step 3: Cross multiply
    53,470.44x = 80,155.22 × 18,385.56
  4. Step 4: Simplify right side
    53,470.44x = 1,473,698,606.62
  5. Step 5: Solve for x
    x = 1,473,698,606.62/53,470.44
  6. Step 6: Final answer
    x = 27,561.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.