Home / 104,262.15-143,882.01-56,515.28

Finding the Fourth Proportional to 104,262.15, 143,882.01 and 56,515.28

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Solution

The fourth proportional to 104,262.15, 143,882.01 and 56,515.28 is: 77,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,262.15 : 143,882.01 = 56,515.28 : x
  2. Step 2: Convert to fraction form
    104,262.15/143,882.01 = 56,515.28/x
  3. Step 3: Cross multiply
    104,262.15x = 143,882.01 × 56,515.28
  4. Step 4: Simplify right side
    104,262.15x = 8,131,532,082.11
  5. Step 5: Solve for x
    x = 8,131,532,082.11/104,262.15
  6. Step 6: Final answer
    x = 77,991.22

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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.