Home / 89,477.55-123,467.06-55,473.65

Finding the Fourth Proportional to 89,477.55, 123,467.06 and 55,473.65

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Solution

The fourth proportional to 89,477.55, 123,467.06 and 55,473.65 is: 76,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,477.55 : 123,467.06 = 55,473.65 : x
  2. Step 2: Convert to fraction form
    89,477.55/123,467.06 = 55,473.65/x
  3. Step 3: Cross multiply
    89,477.55x = 123,467.06 × 55,473.65
  4. Step 4: Simplify right side
    89,477.55x = 6,849,167,578.27
  5. Step 5: Solve for x
    x = 6,849,167,578.27/89,477.55
  6. Step 6: Final answer
    x = 76,546.21

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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.