Home / 74,785.56-111,915.04-46,718.84

Finding the Fourth Proportional to 74,785.56, 111,915.04 and 46,718.84

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Solution

The fourth proportional to 74,785.56, 111,915.04 and 46,718.84 is: 69,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785.56 : 111,915.04 = 46,718.84 : x
  2. Step 2: Convert to fraction form
    74,785.56/111,915.04 = 46,718.84/x
  3. Step 3: Cross multiply
    74,785.56x = 111,915.04 × 46,718.84
  4. Step 4: Simplify right side
    74,785.56x = 5,228,540,847.35
  5. Step 5: Solve for x
    x = 5,228,540,847.35/74,785.56
  6. Step 6: Final answer
    x = 69,913.78

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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.