Home / 85,986.56-118,672.70-48,260.81

Finding the Fourth Proportional to 85,986.56, 118,672.70 and 48,260.81

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Solution

The fourth proportional to 85,986.56, 118,672.70 and 48,260.81 is: 66,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,986.56 : 118,672.70 = 48,260.81 : x
  2. Step 2: Convert to fraction form
    85,986.56/118,672.70 = 48,260.81/x
  3. Step 3: Cross multiply
    85,986.56x = 118,672.70 × 48,260.81
  4. Step 4: Simplify right side
    85,986.56x = 5,727,240,682.26
  5. Step 5: Solve for x
    x = 5,727,240,682.26/85,986.56
  6. Step 6: Final answer
    x = 66,606.23

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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.