Home / 89,467.56-123,458.04-49,180.32

Finding the Fourth Proportional to 89,467.56, 123,458.04 and 49,180.32

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Solution

The fourth proportional to 89,467.56, 123,458.04 and 49,180.32 is: 67,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,467.56 : 123,458.04 = 49,180.32 : x
  2. Step 2: Convert to fraction form
    89,467.56/123,458.04 = 49,180.32/x
  3. Step 3: Cross multiply
    89,467.56x = 123,458.04 × 49,180.32
  4. Step 4: Simplify right side
    89,467.56x = 6,071,705,913.77
  5. Step 5: Solve for x
    x = 6,071,705,913.77/89,467.56
  6. Step 6: Final answer
    x = 67,864.89

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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.