Home / 74,037.74-111,056.63-21,447.26

Finding the Fourth Proportional to 74,037.74, 111,056.63 and 21,447.26

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Solution

The fourth proportional to 74,037.74, 111,056.63 and 21,447.26 is: 32,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,037.74 : 111,056.63 = 21,447.26 : x
  2. Step 2: Convert to fraction form
    74,037.74/111,056.63 = 21,447.26/x
  3. Step 3: Cross multiply
    74,037.74x = 111,056.63 × 21,447.26
  4. Step 4: Simplify right side
    74,037.74x = 2,381,859,755.81
  5. Step 5: Solve for x
    x = 2,381,859,755.81/74,037.74
  6. Step 6: Final answer
    x = 32,170.89

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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.