Home / 74,923.60-112,351.56-39,855.76

Finding the Fourth Proportional to 74,923.60, 112,351.56 and 39,855.76

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Solution

The fourth proportional to 74,923.60, 112,351.56 and 39,855.76 is: 59,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.60 : 112,351.56 = 39,855.76 : x
  2. Step 2: Convert to fraction form
    74,923.60/112,351.56 = 39,855.76/x
  3. Step 3: Cross multiply
    74,923.60x = 112,351.56 × 39,855.76
  4. Step 4: Simplify right side
    74,923.60x = 4,477,856,810.99
  5. Step 5: Solve for x
    x = 4,477,856,810.99/74,923.60
  6. Step 6: Final answer
    x = 59,765.64

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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.