Home / 72,933.08-100,550.16-54,706.32

Finding the Fourth Proportional to 72,933.08, 100,550.16 and 54,706.32

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Solution

The fourth proportional to 72,933.08, 100,550.16 and 54,706.32 is: 75,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,933.08 : 100,550.16 = 54,706.32 : x
  2. Step 2: Convert to fraction form
    72,933.08/100,550.16 = 54,706.32/x
  3. Step 3: Cross multiply
    72,933.08x = 100,550.16 × 54,706.32
  4. Step 4: Simplify right side
    72,933.08x = 5,500,729,229.01
  5. Step 5: Solve for x
    x = 5,500,729,229.01/72,933.08
  6. Step 6: Final answer
    x = 75,421.60

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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.