Home / 113,110.78-169,705.58-70,940.96

Finding the Fourth Proportional to 113,110.78, 169,705.58 and 70,940.96

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Solution

The fourth proportional to 113,110.78, 169,705.58 and 70,940.96 is: 106,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,110.78 : 169,705.58 = 70,940.96 : x
  2. Step 2: Convert to fraction form
    113,110.78/169,705.58 = 70,940.96/x
  3. Step 3: Cross multiply
    113,110.78x = 169,705.58 × 70,940.96
  4. Step 4: Simplify right side
    113,110.78x = 12,039,077,549.36
  5. Step 5: Solve for x
    x = 12,039,077,549.36/113,110.78
  6. Step 6: Final answer
    x = 106,436.16

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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.