Home / 113,690.40-170,584.82-61,038.37

Finding the Fourth Proportional to 113,690.40, 170,584.82 and 61,038.37

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Solution

The fourth proportional to 113,690.40, 170,584.82 and 61,038.37 is: 91,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,690.40 : 170,584.82 = 61,038.37 : x
  2. Step 2: Convert to fraction form
    113,690.40/170,584.82 = 61,038.37/x
  3. Step 3: Cross multiply
    113,690.40x = 170,584.82 × 61,038.37
  4. Step 4: Simplify right side
    113,690.40x = 10,412,219,359.54
  5. Step 5: Solve for x
    x = 10,412,219,359.54/113,690.40
  6. Step 6: Final answer
    x = 91,583.98

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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.