Home / 90,190.52-124,408.68-59,563.89

Finding the Fourth Proportional to 90,190.52, 124,408.68 and 59,563.89

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Solution

The fourth proportional to 90,190.52, 124,408.68 and 59,563.89 is: 82,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.52 : 124,408.68 = 59,563.89 : x
  2. Step 2: Convert to fraction form
    90,190.52/124,408.68 = 59,563.89/x
  3. Step 3: Cross multiply
    90,190.52x = 124,408.68 × 59,563.89
  4. Step 4: Simplify right side
    90,190.52x = 7,410,264,930.57
  5. Step 5: Solve for x
    x = 7,410,264,930.57/90,190.52
  6. Step 6: Final answer
    x = 82,162.35

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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.