Home / 85,900.14-118,541.94-48,175.20

Finding the Fourth Proportional to 85,900.14, 118,541.94 and 48,175.20

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Solution

The fourth proportional to 85,900.14, 118,541.94 and 48,175.20 is: 66,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,900.14 : 118,541.94 = 48,175.20 : x
  2. Step 2: Convert to fraction form
    85,900.14/118,541.94 = 48,175.20/x
  3. Step 3: Cross multiply
    85,900.14x = 118,541.94 × 48,175.20
  4. Step 4: Simplify right side
    85,900.14x = 5,710,781,667.89
  5. Step 5: Solve for x
    x = 5,710,781,667.89/85,900.14
  6. Step 6: Final answer
    x = 66,481.63

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1.5x scale

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.