Home / 89,558.60-123,590.86-49,271.50

Finding the Fourth Proportional to 89,558.60, 123,590.86 and 49,271.50

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Solution

The fourth proportional to 89,558.60, 123,590.86 and 49,271.50 is: 67,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.60 : 123,590.86 = 49,271.50 : x
  2. Step 2: Convert to fraction form
    89,558.60/123,590.86 = 49,271.50/x
  3. Step 3: Cross multiply
    89,558.60x = 123,590.86 × 49,271.50
  4. Step 4: Simplify right side
    89,558.60x = 6,089,507,058.49
  5. Step 5: Solve for x
    x = 6,089,507,058.49/89,558.60
  6. Step 6: Final answer
    x = 67,994.67

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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.