Home / 109,829.40-164,788.74-39,714.36

Finding the Fourth Proportional to 109,829.40, 164,788.74 and 39,714.36

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Solution

The fourth proportional to 109,829.40, 164,788.74 and 39,714.36 is: 59,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,829.40 : 164,788.74 = 39,714.36 : x
  2. Step 2: Convert to fraction form
    109,829.40/164,788.74 = 39,714.36/x
  3. Step 3: Cross multiply
    109,829.40x = 164,788.74 × 39,714.36
  4. Step 4: Simplify right side
    109,829.40x = 6,544,479,344.31
  5. Step 5: Solve for x
    x = 6,544,479,344.31/109,829.40
  6. Step 6: Final answer
    x = 59,587.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.