Home / 66,866.20-92,289.06-38,568.04

Finding the Fourth Proportional to 66,866.20, 92,289.06 and 38,568.04

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Solution

The fourth proportional to 66,866.20, 92,289.06 and 38,568.04 is: 53,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.20 : 92,289.06 = 38,568.04 : x
  2. Step 2: Convert to fraction form
    66,866.20/92,289.06 = 38,568.04/x
  3. Step 3: Cross multiply
    66,866.20x = 92,289.06 × 38,568.04
  4. Step 4: Simplify right side
    66,866.20x = 3,559,408,157.64
  5. Step 5: Solve for x
    x = 3,559,408,157.64/66,866.20
  6. Step 6: Final answer
    x = 53,231.80

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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.