Home / 82,847.40-124,271.10-45,522.60

Finding the Fourth Proportional to 82,847.40, 124,271.10 and 45,522.60

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Solution

The fourth proportional to 82,847.40, 124,271.10 and 45,522.60 is: 68,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,847.40 : 124,271.10 = 45,522.60 : x
  2. Step 2: Convert to fraction form
    82,847.40/124,271.10 = 45,522.60/x
  3. Step 3: Cross multiply
    82,847.40x = 124,271.10 × 45,522.60
  4. Step 4: Simplify right side
    82,847.40x = 5,657,143,576.86
  5. Step 5: Solve for x
    x = 5,657,143,576.86/82,847.40
  6. Step 6: Final answer
    x = 68,283.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.