Home / 69,009.32-103,440.16-35,695.84

Finding the Fourth Proportional to 69,009.32, 103,440.16 and 35,695.84

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Solution

The fourth proportional to 69,009.32, 103,440.16 and 35,695.84 is: 53,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.32 : 103,440.16 = 35,695.84 : x
  2. Step 2: Convert to fraction form
    69,009.32/103,440.16 = 35,695.84/x
  3. Step 3: Cross multiply
    69,009.32x = 103,440.16 × 35,695.84
  4. Step 4: Simplify right side
    69,009.32x = 3,692,383,400.93
  5. Step 5: Solve for x
    x = 3,692,383,400.93/69,009.32
  6. Step 6: Final answer
    x = 53,505.58

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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.