Home / 89,861.10-124,007.14-49,576.56

Finding the Fourth Proportional to 89,861.10, 124,007.14 and 49,576.56

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Solution

The fourth proportional to 89,861.10, 124,007.14 and 49,576.56 is: 68,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.10 : 124,007.14 = 49,576.56 : x
  2. Step 2: Convert to fraction form
    89,861.10/124,007.14 = 49,576.56/x
  3. Step 3: Cross multiply
    89,861.10x = 124,007.14 × 49,576.56
  4. Step 4: Simplify right side
    89,861.10x = 6,147,847,416.64
  5. Step 5: Solve for x
    x = 6,147,847,416.64/89,861.10
  6. Step 6: Final answer
    x = 68,415.00

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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.