Home / 74,075.84-102,227.10-40,541.84

Finding the Fourth Proportional to 74,075.84, 102,227.10 and 40,541.84

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Solution

The fourth proportional to 74,075.84, 102,227.10 and 40,541.84 is: 55,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.84 : 102,227.10 = 40,541.84 : x
  2. Step 2: Convert to fraction form
    74,075.84/102,227.10 = 40,541.84/x
  3. Step 3: Cross multiply
    74,075.84x = 102,227.10 × 40,541.84
  4. Step 4: Simplify right side
    74,075.84x = 4,144,474,731.86
  5. Step 5: Solve for x
    x = 4,144,474,731.86/74,075.84
  6. Step 6: Final answer
    x = 55,949.08

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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.