Home / 82,861.04-114,350.46-45,137.72

Finding the Fourth Proportional to 82,861.04, 114,350.46 and 45,137.72

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Solution

The fourth proportional to 82,861.04, 114,350.46 and 45,137.72 is: 62,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.04 : 114,350.46 = 45,137.72 : x
  2. Step 2: Convert to fraction form
    82,861.04/114,350.46 = 45,137.72/x
  3. Step 3: Cross multiply
    82,861.04x = 114,350.46 × 45,137.72
  4. Step 4: Simplify right side
    82,861.04x = 5,161,519,045.35
  5. Step 5: Solve for x
    x = 5,161,519,045.35/82,861.04
  6. Step 6: Final answer
    x = 62,291.27

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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.