Home / 89,455.41-123,450.80-49,170.24

Finding the Fourth Proportional to 89,455.41, 123,450.80 and 49,170.24

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Solution

The fourth proportional to 89,455.41, 123,450.80 and 49,170.24 is: 67,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.41 : 123,450.80 = 49,170.24 : x
  2. Step 2: Convert to fraction form
    89,455.41/123,450.80 = 49,170.24/x
  3. Step 3: Cross multiply
    89,455.41x = 123,450.80 × 49,170.24
  4. Step 4: Simplify right side
    89,455.41x = 6,070,105,464.19
  5. Step 5: Solve for x
    x = 6,070,105,464.19/89,455.41
  6. Step 6: Final answer
    x = 67,856.21

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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.