Home / 113,795.90-157,091.49-66,040.02

Finding the Fourth Proportional to 113,795.90, 157,091.49 and 66,040.02

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Solution

The fourth proportional to 113,795.90, 157,091.49 and 66,040.02 is: 91,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,795.90 : 157,091.49 = 66,040.02 : x
  2. Step 2: Convert to fraction form
    113,795.90/157,091.49 = 66,040.02/x
  3. Step 3: Cross multiply
    113,795.90x = 157,091.49 × 66,040.02
  4. Step 4: Simplify right side
    113,795.90x = 10,374,325,141.43
  5. Step 5: Solve for x
    x = 10,374,325,141.43/113,795.90
  6. Step 6: Final answer
    x = 91,166.07

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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.