Home / 66,397.14-91,626.12-39,551.58

Finding the Fourth Proportional to 66,397.14, 91,626.12 and 39,551.58

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Solution

The fourth proportional to 66,397.14, 91,626.12 and 39,551.58 is: 54,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.14 : 91,626.12 = 39,551.58 : x
  2. Step 2: Convert to fraction form
    66,397.14/91,626.12 = 39,551.58/x
  3. Step 3: Cross multiply
    66,397.14x = 91,626.12 × 39,551.58
  4. Step 4: Simplify right side
    66,397.14x = 3,623,957,815.27
  5. Step 5: Solve for x
    x = 3,623,957,815.27/66,397.14
  6. Step 6: Final answer
    x = 54,580.03

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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.