Home / 90,763.07-135,852.60-48,537.50

Finding the Fourth Proportional to 90,763.07, 135,852.60 and 48,537.50

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Solution

The fourth proportional to 90,763.07, 135,852.60 and 48,537.50 is: 72,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763.07 : 135,852.60 = 48,537.50 : x
  2. Step 2: Convert to fraction form
    90,763.07/135,852.60 = 48,537.50/x
  3. Step 3: Cross multiply
    90,763.07x = 135,852.60 × 48,537.50
  4. Step 4: Simplify right side
    90,763.07x = 6,593,945,572.50
  5. Step 5: Solve for x
    x = 6,593,945,572.50/90,763.07
  6. Step 6: Final answer
    x = 72,650.09

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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.