Home / 66,020.04-91,107.24-35,806.08

Finding the Fourth Proportional to 66,020.04, 91,107.24 and 35,806.08

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Solution

The fourth proportional to 66,020.04, 91,107.24 and 35,806.08 is: 49,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.04 : 91,107.24 = 35,806.08 : x
  2. Step 2: Convert to fraction form
    66,020.04/91,107.24 = 35,806.08/x
  3. Step 3: Cross multiply
    66,020.04x = 91,107.24 × 35,806.08
  4. Step 4: Simplify right side
    66,020.04x = 3,262,193,124.02
  5. Step 5: Solve for x
    x = 3,262,193,124.02/66,020.04
  6. Step 6: Final answer
    x = 49,412.17

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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.