Home / 86,631.81-119,552.90-50,822.43

Finding the Fourth Proportional to 86,631.81, 119,552.90 and 50,822.43

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Solution

The fourth proportional to 86,631.81, 119,552.90 and 50,822.43 is: 70,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,631.81 : 119,552.90 = 50,822.43 : x
  2. Step 2: Convert to fraction form
    86,631.81/119,552.90 = 50,822.43/x
  3. Step 3: Cross multiply
    86,631.81x = 119,552.90 × 50,822.43
  4. Step 4: Simplify right side
    86,631.81x = 6,075,968,891.55
  5. Step 5: Solve for x
    x = 6,075,968,891.55/86,631.81
  6. Step 6: Final answer
    x = 70,135.54

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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.