Home / 90,848.21-125,263.25-62,181.71

Finding the Fourth Proportional to 90,848.21, 125,263.25 and 62,181.71

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Solution

The fourth proportional to 90,848.21, 125,263.25 and 62,181.71 is: 85,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.21 : 125,263.25 = 62,181.71 : x
  2. Step 2: Convert to fraction form
    90,848.21/125,263.25 = 62,181.71/x
  3. Step 3: Cross multiply
    90,848.21x = 125,263.25 × 62,181.71
  4. Step 4: Simplify right side
    90,848.21x = 7,789,082,774.25
  5. Step 5: Solve for x
    x = 7,789,082,774.25/90,848.21
  6. Step 6: Final answer
    x = 85,737.33

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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.