Home / 104,062.90-143,606.82-56,316.28

Finding the Fourth Proportional to 104,062.90, 143,606.82 and 56,316.28

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Solution

The fourth proportional to 104,062.90, 143,606.82 and 56,316.28 is: 77,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.90 : 143,606.82 = 56,316.28 : x
  2. Step 2: Convert to fraction form
    104,062.90/143,606.82 = 56,316.28/x
  3. Step 3: Cross multiply
    104,062.90x = 143,606.82 × 56,316.28
  4. Step 4: Simplify right side
    104,062.90x = 8,087,401,885.03
  5. Step 5: Solve for x
    x = 8,087,401,885.03/104,062.90
  6. Step 6: Final answer
    x = 77,716.48

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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.