Home / 119,555.03-164,979.36-65,829.56

Finding the Fourth Proportional to 119,555.03, 164,979.36 and 65,829.56

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Solution

The fourth proportional to 119,555.03, 164,979.36 and 65,829.56 is: 90,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.03 : 164,979.36 = 65,829.56 : x
  2. Step 2: Convert to fraction form
    119,555.03/164,979.36 = 65,829.56/x
  3. Step 3: Cross multiply
    119,555.03x = 164,979.36 × 65,829.56
  4. Step 4: Simplify right side
    119,555.03x = 10,860,517,852.98
  5. Step 5: Solve for x
    x = 10,860,517,852.98/119,555.03
  6. Step 6: Final answer
    x = 90,841.16

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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.