Home / 104,427.10-144,109.49-56,680.43

Finding the Fourth Proportional to 104,427.10, 144,109.49 and 56,680.43

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Solution

The fourth proportional to 104,427.10, 144,109.49 and 56,680.43 is: 78,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.10 : 144,109.49 = 56,680.43 : x
  2. Step 2: Convert to fraction form
    104,427.10/144,109.49 = 56,680.43/x
  3. Step 3: Cross multiply
    104,427.10x = 144,109.49 × 56,680.43
  4. Step 4: Simplify right side
    104,427.10x = 8,168,187,937.15
  5. Step 5: Solve for x
    x = 8,168,187,937.15/104,427.10
  6. Step 6: Final answer
    x = 78,219.05

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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.