Home / 104,590.21-144,335.45-56,843.67

Finding the Fourth Proportional to 104,590.21, 144,335.45 and 56,843.67

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Solution

The fourth proportional to 104,590.21, 144,335.45 and 56,843.67 is: 78,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.21 : 144,335.45 = 56,843.67 : x
  2. Step 2: Convert to fraction form
    104,590.21/144,335.45 = 56,843.67/x
  3. Step 3: Cross multiply
    104,590.21x = 144,335.45 × 56,843.67
  4. Step 4: Simplify right side
    104,590.21x = 8,204,556,689.10
  5. Step 5: Solve for x
    x = 8,204,556,689.10/104,590.21
  6. Step 6: Final answer
    x = 78,444.79

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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.