Home / 89,944.98-124,121.60-49,658.01

Finding the Fourth Proportional to 89,944.98, 124,121.60 and 49,658.01

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Solution

The fourth proportional to 89,944.98, 124,121.60 and 49,658.01 is: 68,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,944.98 : 124,121.60 = 49,658.01 : x
  2. Step 2: Convert to fraction form
    89,944.98/124,121.60 = 49,658.01/x
  3. Step 3: Cross multiply
    89,944.98x = 124,121.60 × 49,658.01
  4. Step 4: Simplify right side
    89,944.98x = 6,163,630,785.12
  5. Step 5: Solve for x
    x = 6,163,630,785.12/89,944.98
  6. Step 6: Final answer
    x = 68,526.68

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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.