Home / 86,735.07-119,714.42-56,467.73

Finding the Fourth Proportional to 86,735.07, 119,714.42 and 56,467.73

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Solution

The fourth proportional to 86,735.07, 119,714.42 and 56,467.73 is: 77,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.07 : 119,714.42 = 56,467.73 : x
  2. Step 2: Convert to fraction form
    86,735.07/119,714.42 = 56,467.73/x
  3. Step 3: Cross multiply
    86,735.07x = 119,714.42 × 56,467.73
  4. Step 4: Simplify right side
    86,735.07x = 6,760,001,986.12
  5. Step 5: Solve for x
    x = 6,760,001,986.12/86,735.07
  6. Step 6: Final answer
    x = 77,938.51

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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.