Home / 104,629.19-144,389.92-56,882.72

Finding the Fourth Proportional to 104,629.19, 144,389.92 and 56,882.72

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Solution

The fourth proportional to 104,629.19, 144,389.92 and 56,882.72 is: 78,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,629.19 : 144,389.92 = 56,882.72 : x
  2. Step 2: Convert to fraction form
    104,629.19/144,389.92 = 56,882.72/x
  3. Step 3: Cross multiply
    104,629.19x = 144,389.92 × 56,882.72
  4. Step 4: Simplify right side
    104,629.19x = 8,213,291,390.18
  5. Step 5: Solve for x
    x = 8,213,291,390.18/104,629.19
  6. Step 6: Final answer
    x = 78,499.05

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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.