Home / 85,931.44-118,586.19-48,206.50

Finding the Fourth Proportional to 85,931.44, 118,586.19 and 48,206.50

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Solution

The fourth proportional to 85,931.44, 118,586.19 and 48,206.50 is: 66,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,931.44 : 118,586.19 = 48,206.50 : x
  2. Step 2: Convert to fraction form
    85,931.44/118,586.19 = 48,206.50/x
  3. Step 3: Cross multiply
    85,931.44x = 118,586.19 × 48,206.50
  4. Step 4: Simplify right side
    85,931.44x = 5,716,625,052.54
  5. Step 5: Solve for x
    x = 5,716,625,052.54/85,931.44
  6. Step 6: Final answer
    x = 66,525.42

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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.