Home / 113,813.29-170,738.36-42,741.46

Finding the Fourth Proportional to 113,813.29, 170,738.36 and 42,741.46

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Solution

The fourth proportional to 113,813.29, 170,738.36 and 42,741.46 is: 64,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813.29 : 170,738.36 = 42,741.46 : x
  2. Step 2: Convert to fraction form
    113,813.29/170,738.36 = 42,741.46/x
  3. Step 3: Cross multiply
    113,813.29x = 170,738.36 × 42,741.46
  4. Step 4: Simplify right side
    113,813.29x = 7,297,606,784.41
  5. Step 5: Solve for x
    x = 7,297,606,784.41/113,813.29
  6. Step 6: Final answer
    x = 64,119.11

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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.