Home / 66,435.64-99,601.14-33,138.56

Finding the Fourth Proportional to 66,435.64, 99,601.14 and 33,138.56

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Solution

The fourth proportional to 66,435.64, 99,601.14 and 33,138.56 is: 49,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.64 : 99,601.14 = 33,138.56 : x
  2. Step 2: Convert to fraction form
    66,435.64/99,601.14 = 33,138.56/x
  3. Step 3: Cross multiply
    66,435.64x = 99,601.14 × 33,138.56
  4. Step 4: Simplify right side
    66,435.64x = 3,300,638,353.96
  5. Step 5: Solve for x
    x = 3,300,638,353.96/66,435.64
  6. Step 6: Final answer
    x = 49,681.74

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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.