Home / 55,774.40-83,671.96-18,336.56

Finding the Fourth Proportional to 55,774.40, 83,671.96 and 18,336.56

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Solution

The fourth proportional to 55,774.40, 83,671.96 and 18,336.56 is: 27,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774.40 : 83,671.96 = 18,336.56 : x
  2. Step 2: Convert to fraction form
    55,774.40/83,671.96 = 18,336.56/x
  3. Step 3: Cross multiply
    55,774.40x = 83,671.96 × 18,336.56
  4. Step 4: Simplify right side
    55,774.40x = 1,534,255,914.86
  5. Step 5: Solve for x
    x = 1,534,255,914.86/55,774.40
  6. Step 6: Final answer
    x = 27,508.25

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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.