Home / 89,632.98-123,692.16-53,359.76

Finding the Fourth Proportional to 89,632.98, 123,692.16 and 53,359.76

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Solution

The fourth proportional to 89,632.98, 123,692.16 and 53,359.76 is: 73,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.98 : 123,692.16 = 53,359.76 : x
  2. Step 2: Convert to fraction form
    89,632.98/123,692.16 = 53,359.76/x
  3. Step 3: Cross multiply
    89,632.98x = 123,692.16 × 53,359.76
  4. Step 4: Simplify right side
    89,632.98x = 6,600,184,480.81
  5. Step 5: Solve for x
    x = 6,600,184,480.81/89,632.98
  6. Step 6: Final answer
    x = 73,635.67

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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.