Home / 104,126.08-143,694.18-56,379.88

Finding the Fourth Proportional to 104,126.08, 143,694.18 and 56,379.88

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Solution

The fourth proportional to 104,126.08, 143,694.18 and 56,379.88 is: 77,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,126.08 : 143,694.18 = 56,379.88 : x
  2. Step 2: Convert to fraction form
    104,126.08/143,694.18 = 56,379.88/x
  3. Step 3: Cross multiply
    104,126.08x = 143,694.18 × 56,379.88
  4. Step 4: Simplify right side
    104,126.08x = 8,101,460,625.10
  5. Step 5: Solve for x
    x = 8,101,460,625.10/104,126.08
  6. Step 6: Final answer
    x = 77,804.34

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1.5x scale

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.