Home / 89,327.31-123,271.90-49,043.67

Finding the Fourth Proportional to 89,327.31, 123,271.90 and 49,043.67

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Solution

The fourth proportional to 89,327.31, 123,271.90 and 49,043.67 is: 67,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.31 : 123,271.90 = 49,043.67 : x
  2. Step 2: Convert to fraction form
    89,327.31/123,271.90 = 49,043.67/x
  3. Step 3: Cross multiply
    89,327.31x = 123,271.90 × 49,043.67
  4. Step 4: Simplify right side
    89,327.31x = 6,045,705,798.99
  5. Step 5: Solve for x
    x = 6,045,705,798.99/89,327.31
  6. Step 6: Final answer
    x = 67,680.37

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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.