Home / 85,161.09-127,741.64-32,586.69

Finding the Fourth Proportional to 85,161.09, 127,741.64 and 32,586.69

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Solution

The fourth proportional to 85,161.09, 127,741.64 and 32,586.69 is: 48,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161.09 : 127,741.64 = 32,586.69 : x
  2. Step 2: Convert to fraction form
    85,161.09/127,741.64 = 32,586.69/x
  3. Step 3: Cross multiply
    85,161.09x = 127,741.64 × 32,586.69
  4. Step 4: Simplify right side
    85,161.09x = 4,162,677,059.84
  5. Step 5: Solve for x
    x = 4,162,677,059.84/85,161.09
  6. Step 6: Final answer
    x = 48,880.04

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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.