Home / 69,835.32-104,928.12-65,636.28

Finding the Fourth Proportional to 69,835.32, 104,928.12 and 65,636.28

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Solution

The fourth proportional to 69,835.32, 104,928.12 and 65,636.28 is: 98,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835.32 : 104,928.12 = 65,636.28 : x
  2. Step 2: Convert to fraction form
    69,835.32/104,928.12 = 65,636.28/x
  3. Step 3: Cross multiply
    69,835.32x = 104,928.12 × 65,636.28
  4. Step 4: Simplify right side
    69,835.32x = 6,887,091,464.19
  5. Step 5: Solve for x
    x = 6,887,091,464.19/69,835.32
  6. Step 6: Final answer
    x = 98,619.03

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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.