Home / 74,155.57-111,238.60-36,705.59

Finding the Fourth Proportional to 74,155.57, 111,238.60 and 36,705.59

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Solution

The fourth proportional to 74,155.57, 111,238.60 and 36,705.59 is: 55,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,155.57 : 111,238.60 = 36,705.59 : x
  2. Step 2: Convert to fraction form
    74,155.57/111,238.60 = 36,705.59/x
  3. Step 3: Cross multiply
    74,155.57x = 111,238.60 × 36,705.59
  4. Step 4: Simplify right side
    74,155.57x = 4,083,078,577.51
  5. Step 5: Solve for x
    x = 4,083,078,577.51/74,155.57
  6. Step 6: Final answer
    x = 55,060.98

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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.