Home / 135,564.08-203,401.86-59,623.54

Finding the Fourth Proportional to 135,564.08, 203,401.86 and 59,623.54

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Solution

The fourth proportional to 135,564.08, 203,401.86 and 59,623.54 is: 89,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,564.08 : 203,401.86 = 59,623.54 : x
  2. Step 2: Convert to fraction form
    135,564.08/203,401.86 = 59,623.54/x
  3. Step 3: Cross multiply
    135,564.08x = 203,401.86 × 59,623.54
  4. Step 4: Simplify right side
    135,564.08x = 12,127,539,515.52
  5. Step 5: Solve for x
    x = 12,127,539,515.52/135,564.08
  6. Step 6: Final answer
    x = 89,459.83

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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.