Home / 68,075.04-102,063.60-34,362.16

Finding the Fourth Proportional to 68,075.04, 102,063.60 and 34,362.16

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Solution

The fourth proportional to 68,075.04, 102,063.60 and 34,362.16 is: 51,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.04 : 102,063.60 = 34,362.16 : x
  2. Step 2: Convert to fraction form
    68,075.04/102,063.60 = 34,362.16/x
  3. Step 3: Cross multiply
    68,075.04x = 102,063.60 × 34,362.16
  4. Step 4: Simplify right side
    68,075.04x = 3,507,125,753.38
  5. Step 5: Solve for x
    x = 3,507,125,753.38/68,075.04
  6. Step 6: Final answer
    x = 51,518.53

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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.