Home / 86,199.73-129,299.69-23,870.23

Finding the Fourth Proportional to 86,199.73, 129,299.69 and 23,870.23

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Solution

The fourth proportional to 86,199.73, 129,299.69 and 23,870.23 is: 35,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,199.73 : 129,299.69 = 23,870.23 : x
  2. Step 2: Convert to fraction form
    86,199.73/129,299.69 = 23,870.23/x
  3. Step 3: Cross multiply
    86,199.73x = 129,299.69 × 23,870.23
  4. Step 4: Simplify right side
    86,199.73x = 3,086,413,075.66
  5. Step 5: Solve for x
    x = 3,086,413,075.66/86,199.73
  6. Step 6: Final answer
    x = 35,805.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.