Home / 74,587.20-111,805.20-37,089.60

Finding the Fourth Proportional to 74,587.20, 111,805.20 and 37,089.60

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Solution

The fourth proportional to 74,587.20, 111,805.20 and 37,089.60 is: 55,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,587.20 : 111,805.20 = 37,089.60 : x
  2. Step 2: Convert to fraction form
    74,587.20/111,805.20 = 37,089.60/x
  3. Step 3: Cross multiply
    74,587.20x = 111,805.20 × 37,089.60
  4. Step 4: Simplify right side
    74,587.20x = 4,146,810,145.92
  5. Step 5: Solve for x
    x = 4,146,810,145.92/74,587.20
  6. Step 6: Final answer
    x = 55,596.81

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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.