Home / 65,706.14-90,675.60-38,853.27

Finding the Fourth Proportional to 65,706.14, 90,675.60 and 38,853.27

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Solution

The fourth proportional to 65,706.14, 90,675.60 and 38,853.27 is: 53,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,706.14 : 90,675.60 = 38,853.27 : x
  2. Step 2: Convert to fraction form
    65,706.14/90,675.60 = 38,853.27/x
  3. Step 3: Cross multiply
    65,706.14x = 90,675.60 × 38,853.27
  4. Step 4: Simplify right side
    65,706.14x = 3,523,043,642.06
  5. Step 5: Solve for x
    x = 3,523,043,642.06/65,706.14
  6. Step 6: Final answer
    x = 53,618.18

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Half scale
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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.