Home / 69,486.08-103,994.88-43,100.16

Finding the Fourth Proportional to 69,486.08, 103,994.88 and 43,100.16

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Solution

The fourth proportional to 69,486.08, 103,994.88 and 43,100.16 is: 64,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.08 : 103,994.88 = 43,100.16 : x
  2. Step 2: Convert to fraction form
    69,486.08/103,994.88 = 43,100.16/x
  3. Step 3: Cross multiply
    69,486.08x = 103,994.88 × 43,100.16
  4. Step 4: Simplify right side
    69,486.08x = 4,482,195,967.18
  5. Step 5: Solve for x
    x = 4,482,195,967.18/69,486.08
  6. Step 6: Final answer
    x = 64,504.95

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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.