Home / 89,460.77-123,454.48-49,173.67

Finding the Fourth Proportional to 89,460.77, 123,454.48 and 49,173.67

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Solution

The fourth proportional to 89,460.77, 123,454.48 and 49,173.67 is: 67,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.77 : 123,454.48 = 49,173.67 : x
  2. Step 2: Convert to fraction form
    89,460.77/123,454.48 = 49,173.67/x
  3. Step 3: Cross multiply
    89,460.77x = 123,454.48 × 49,173.67
  4. Step 4: Simplify right side
    89,460.77x = 6,070,709,104.29
  5. Step 5: Solve for x
    x = 6,070,709,104.29/89,460.77
  6. Step 6: Final answer
    x = 67,858.90

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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.