Home / 89,644.05-134,435.03-39,759.12

Finding the Fourth Proportional to 89,644.05, 134,435.03 and 39,759.12

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Solution

The fourth proportional to 89,644.05, 134,435.03 and 39,759.12 is: 59,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.05 : 134,435.03 = 39,759.12 : x
  2. Step 2: Convert to fraction form
    89,644.05/134,435.03 = 39,759.12/x
  3. Step 3: Cross multiply
    89,644.05x = 134,435.03 × 39,759.12
  4. Step 4: Simplify right side
    89,644.05x = 5,345,018,291.18
  5. Step 5: Solve for x
    x = 5,345,018,291.18/89,644.05
  6. Step 6: Final answer
    x = 59,624.91

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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.