Home / 113,828.58-170,761.39-42,756.75

Finding the Fourth Proportional to 113,828.58, 170,761.39 and 42,756.75

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Solution

The fourth proportional to 113,828.58, 170,761.39 and 42,756.75 is: 64,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.58 : 170,761.39 = 42,756.75 : x
  2. Step 2: Convert to fraction form
    113,828.58/170,761.39 = 42,756.75/x
  3. Step 3: Cross multiply
    113,828.58x = 170,761.39 × 42,756.75
  4. Step 4: Simplify right side
    113,828.58x = 7,301,201,954.99
  5. Step 5: Solve for x
    x = 7,301,201,954.99/113,828.58
  6. Step 6: Final answer
    x = 64,142.08

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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.