Home / 89,715.12-134,576.40-33,549.60

Finding the Fourth Proportional to 89,715.12, 134,576.40 and 33,549.60

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Solution

The fourth proportional to 89,715.12, 134,576.40 and 33,549.60 is: 50,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,715.12 : 134,576.40 = 33,549.60 : x
  2. Step 2: Convert to fraction form
    89,715.12/134,576.40 = 33,549.60/x
  3. Step 3: Cross multiply
    89,715.12x = 134,576.40 × 33,549.60
  4. Step 4: Simplify right side
    89,715.12x = 4,514,984,389.44
  5. Step 5: Solve for x
    x = 4,514,984,389.44/89,715.12
  6. Step 6: Final answer
    x = 50,325.79

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1.5x scale

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.