Home / 66,020.58-91,107.90-35,805.24

Finding the Fourth Proportional to 66,020.58, 91,107.90 and 35,805.24

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Solution

The fourth proportional to 66,020.58, 91,107.90 and 35,805.24 is: 49,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.58 : 91,107.90 = 35,805.24 : x
  2. Step 2: Convert to fraction form
    66,020.58/91,107.90 = 35,805.24/x
  3. Step 3: Cross multiply
    66,020.58x = 91,107.90 × 35,805.24
  4. Step 4: Simplify right side
    66,020.58x = 3,262,140,225.40
  5. Step 5: Solve for x
    x = 3,262,140,225.40/66,020.58
  6. Step 6: Final answer
    x = 49,410.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.