Home / 74,355.32-111,533.05-61,179.99

Finding the Fourth Proportional to 74,355.32, 111,533.05 and 61,179.99

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Solution

The fourth proportional to 74,355.32, 111,533.05 and 61,179.99 is: 91,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.32 : 111,533.05 = 61,179.99 : x
  2. Step 2: Convert to fraction form
    74,355.32/111,533.05 = 61,179.99/x
  3. Step 3: Cross multiply
    74,355.32x = 111,533.05 × 61,179.99
  4. Step 4: Simplify right side
    74,355.32x = 6,823,590,577.77
  5. Step 5: Solve for x
    x = 6,823,590,577.77/74,355.32
  6. Step 6: Final answer
    x = 91,770.04

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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.