Home / 103,837.22-143,295.28-56,090.56

Finding the Fourth Proportional to 103,837.22, 143,295.28 and 56,090.56

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Solution

The fourth proportional to 103,837.22, 143,295.28 and 56,090.56 is: 77,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.22 : 143,295.28 = 56,090.56 : x
  2. Step 2: Convert to fraction form
    103,837.22/143,295.28 = 56,090.56/x
  3. Step 3: Cross multiply
    103,837.22x = 143,295.28 × 56,090.56
  4. Step 4: Simplify right side
    103,837.22x = 8,037,512,500.56
  5. Step 5: Solve for x
    x = 8,037,512,500.56/103,837.22
  6. Step 6: Final answer
    x = 77,404.93

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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.