Home / 113,945.16-170,884.80-43,807.80

Finding the Fourth Proportional to 113,945.16, 170,884.80 and 43,807.80

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Solution

The fourth proportional to 113,945.16, 170,884.80 and 43,807.80 is: 65,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,945.16 : 170,884.80 = 43,807.80 : x
  2. Step 2: Convert to fraction form
    113,945.16/170,884.80 = 43,807.80/x
  3. Step 3: Cross multiply
    113,945.16x = 170,884.80 × 43,807.80
  4. Step 4: Simplify right side
    113,945.16x = 7,486,087,141.44
  5. Step 5: Solve for x
    x = 7,486,087,141.44/113,945.16
  6. Step 6: Final answer
    x = 65,699.04

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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.