Home / 74,627.73-102,983.85-40,635.72

Finding the Fourth Proportional to 74,627.73, 102,983.85 and 40,635.72

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Solution

The fourth proportional to 74,627.73, 102,983.85 and 40,635.72 is: 56,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.73 : 102,983.85 = 40,635.72 : x
  2. Step 2: Convert to fraction form
    74,627.73/102,983.85 = 40,635.72/x
  3. Step 3: Cross multiply
    74,627.73x = 102,983.85 × 40,635.72
  4. Step 4: Simplify right side
    74,627.73x = 4,184,822,893.12
  5. Step 5: Solve for x
    x = 4,184,822,893.12/74,627.73
  6. Step 6: Final answer
    x = 56,075.98

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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.