Home / 86,687.37-129,994.13-34,059.94

Finding the Fourth Proportional to 86,687.37, 129,994.13 and 34,059.94

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Solution

The fourth proportional to 86,687.37, 129,994.13 and 34,059.94 is: 51,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,687.37 : 129,994.13 = 34,059.94 : x
  2. Step 2: Convert to fraction form
    86,687.37/129,994.13 = 34,059.94/x
  3. Step 3: Cross multiply
    86,687.37x = 129,994.13 × 34,059.94
  4. Step 4: Simplify right side
    86,687.37x = 4,427,592,028.32
  5. Step 5: Solve for x
    x = 4,427,592,028.32/86,687.37
  6. Step 6: Final answer
    x = 51,075.40

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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.