Home / 113,800.41-170,645.81-66,429.45

Finding the Fourth Proportional to 113,800.41, 170,645.81 and 66,429.45

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Solution

The fourth proportional to 113,800.41, 170,645.81 and 66,429.45 is: 99,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.41 : 170,645.81 = 66,429.45 : x
  2. Step 2: Convert to fraction form
    113,800.41/170,645.81 = 66,429.45/x
  3. Step 3: Cross multiply
    113,800.41x = 170,645.81 × 66,429.45
  4. Step 4: Simplify right side
    113,800.41x = 11,335,906,970.96
  5. Step 5: Solve for x
    x = 11,335,906,970.96/113,800.41
  6. Step 6: Final answer
    x = 99,612.18

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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.