Home / 89,186.09-123,075.87-48,899.76

Finding the Fourth Proportional to 89,186.09, 123,075.87 and 48,899.76

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Solution

The fourth proportional to 89,186.09, 123,075.87 and 48,899.76 is: 67,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.09 : 123,075.87 = 48,899.76 : x
  2. Step 2: Convert to fraction form
    89,186.09/123,075.87 = 48,899.76/x
  3. Step 3: Cross multiply
    89,186.09x = 123,075.87 × 48,899.76
  4. Step 4: Simplify right side
    89,186.09x = 6,018,379,889.41
  5. Step 5: Solve for x
    x = 6,018,379,889.41/89,186.09
  6. Step 6: Final answer
    x = 67,481.15

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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.