Home / 68,356.63-102,558.03-43,075.18

Finding the Fourth Proportional to 68,356.63, 102,558.03 and 43,075.18

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Solution

The fourth proportional to 68,356.63, 102,558.03 and 43,075.18 is: 64,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.63 : 102,558.03 = 43,075.18 : x
  2. Step 2: Convert to fraction form
    68,356.63/102,558.03 = 43,075.18/x
  3. Step 3: Cross multiply
    68,356.63x = 102,558.03 × 43,075.18
  4. Step 4: Simplify right side
    68,356.63x = 4,417,705,602.70
  5. Step 5: Solve for x
    x = 4,417,705,602.70/68,356.63
  6. Step 6: Final answer
    x = 64,627.32

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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.