Home / 86,029.65-118,700.15-50,199.21

Finding the Fourth Proportional to 86,029.65, 118,700.15 and 50,199.21

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Solution

The fourth proportional to 86,029.65, 118,700.15 and 50,199.21 is: 69,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,029.65 : 118,700.15 = 50,199.21 : x
  2. Step 2: Convert to fraction form
    86,029.65/118,700.15 = 50,199.21/x
  3. Step 3: Cross multiply
    86,029.65x = 118,700.15 × 50,199.21
  4. Step 4: Simplify right side
    86,029.65x = 5,958,653,505.89
  5. Step 5: Solve for x
    x = 5,958,653,505.89/86,029.65
  6. Step 6: Final answer
    x = 69,262.79

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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.