Home / 66,865.32-99,795.62-57,819.42

Finding the Fourth Proportional to 66,865.32, 99,795.62 and 57,819.42

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Solution

The fourth proportional to 66,865.32, 99,795.62 and 57,819.42 is: 86,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.32 : 99,795.62 = 57,819.42 : x
  2. Step 2: Convert to fraction form
    66,865.32/99,795.62 = 57,819.42/x
  3. Step 3: Cross multiply
    66,865.32x = 99,795.62 × 57,819.42
  4. Step 4: Simplify right side
    66,865.32x = 5,770,124,848.87
  5. Step 5: Solve for x
    x = 5,770,124,848.87/66,865.32
  6. Step 6: Final answer
    x = 86,294.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.