Home / 72,739.58-109,109.49-22,823.51

Finding the Fourth Proportional to 72,739.58, 109,109.49 and 22,823.51

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Solution

The fourth proportional to 72,739.58, 109,109.49 and 22,823.51 is: 34,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,739.58 : 109,109.49 = 22,823.51 : x
  2. Step 2: Convert to fraction form
    72,739.58/109,109.49 = 22,823.51/x
  3. Step 3: Cross multiply
    72,739.58x = 109,109.49 × 22,823.51
  4. Step 4: Simplify right side
    72,739.58x = 2,490,261,033.36
  5. Step 5: Solve for x
    x = 2,490,261,033.36/72,739.58
  6. Step 6: Final answer
    x = 34,235.30

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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.