Home / 74,076.58-102,184.08-45,410.09

Finding the Fourth Proportional to 74,076.58, 102,184.08 and 45,410.09

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Solution

The fourth proportional to 74,076.58, 102,184.08 and 45,410.09 is: 62,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.58 : 102,184.08 = 45,410.09 : x
  2. Step 2: Convert to fraction form
    74,076.58/102,184.08 = 45,410.09/x
  3. Step 3: Cross multiply
    74,076.58x = 102,184.08 × 45,410.09
  4. Step 4: Simplify right side
    74,076.58x = 4,640,188,705.77
  5. Step 5: Solve for x
    x = 4,640,188,705.77/74,076.58
  6. Step 6: Final answer
    x = 62,640.43

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1.5x scale

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.