Home / 101,869.22-140,580.70-56,548.10

Finding the Fourth Proportional to 101,869.22, 140,580.70 and 56,548.10

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Solution

The fourth proportional to 101,869.22, 140,580.70 and 56,548.10 is: 78,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869.22 : 140,580.70 = 56,548.10 : x
  2. Step 2: Convert to fraction form
    101,869.22/140,580.70 = 56,548.10/x
  3. Step 3: Cross multiply
    101,869.22x = 140,580.70 × 56,548.10
  4. Step 4: Simplify right side
    101,869.22x = 7,949,571,481.67
  5. Step 5: Solve for x
    x = 7,949,571,481.67/101,869.22
  6. Step 6: Final answer
    x = 78,037.03

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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.