Home / 104,631.24-144,393.96-56,887.88

Finding the Fourth Proportional to 104,631.24, 144,393.96 and 56,887.88

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Solution

The fourth proportional to 104,631.24, 144,393.96 and 56,887.88 is: 78,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.24 : 144,393.96 = 56,887.88 : x
  2. Step 2: Convert to fraction form
    104,631.24/144,393.96 = 56,887.88/x
  3. Step 3: Cross multiply
    104,631.24x = 144,393.96 × 56,887.88
  4. Step 4: Simplify right side
    104,631.24x = 8,214,266,269.20
  5. Step 5: Solve for x
    x = 8,214,266,269.20/104,631.24
  6. Step 6: Final answer
    x = 78,506.82

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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.