Home / 90,408.12-135,596.79-23,848.89

Finding the Fourth Proportional to 90,408.12, 135,596.79 and 23,848.89

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Solution

The fourth proportional to 90,408.12, 135,596.79 and 23,848.89 is: 35,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,408.12 : 135,596.79 = 23,848.89 : x
  2. Step 2: Convert to fraction form
    90,408.12/135,596.79 = 23,848.89/x
  3. Step 3: Cross multiply
    90,408.12x = 135,596.79 × 23,848.89
  4. Step 4: Simplify right side
    90,408.12x = 3,233,832,929.06
  5. Step 5: Solve for x
    x = 3,233,832,929.06/90,408.12
  6. Step 6: Final answer
    x = 35,769.28

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1.5x scale

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.