Home / 85,266.20-117,667.28-47,028.22

Finding the Fourth Proportional to 85,266.20, 117,667.28 and 47,028.22

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Solution

The fourth proportional to 85,266.20, 117,667.28 and 47,028.22 is: 64,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.20 : 117,667.28 = 47,028.22 : x
  2. Step 2: Convert to fraction form
    85,266.20/117,667.28 = 47,028.22/x
  3. Step 3: Cross multiply
    85,266.20x = 117,667.28 × 47,028.22
  4. Step 4: Simplify right side
    85,266.20x = 5,533,682,554.04
  5. Step 5: Solve for x
    x = 5,533,682,554.04/85,266.20
  6. Step 6: Final answer
    x = 64,898.90

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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.