Home / 53,539.98-73,879.20-29,660.70

Finding the Fourth Proportional to 53,539.98, 73,879.20 and 29,660.70

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Solution

The fourth proportional to 53,539.98, 73,879.20 and 29,660.70 is: 40,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.98 : 73,879.20 = 29,660.70 : x
  2. Step 2: Convert to fraction form
    53,539.98/73,879.20 = 29,660.70/x
  3. Step 3: Cross multiply
    53,539.98x = 73,879.20 × 29,660.70
  4. Step 4: Simplify right side
    53,539.98x = 2,191,308,787.44
  5. Step 5: Solve for x
    x = 2,191,308,787.44/53,539.98
  6. Step 6: Final answer
    x = 40,928.46

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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.