Home / 105,924.70-159,464.18-91,461.34

Finding the Fourth Proportional to 105,924.70, 159,464.18 and 91,461.34

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Solution

The fourth proportional to 105,924.70, 159,464.18 and 91,461.34 is: 137,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,924.70 : 159,464.18 = 91,461.34 : x
  2. Step 2: Convert to fraction form
    105,924.70/159,464.18 = 91,461.34/x
  3. Step 3: Cross multiply
    105,924.70x = 159,464.18 × 91,461.34
  4. Step 4: Simplify right side
    105,924.70x = 14,584,807,584.80
  5. Step 5: Solve for x
    x = 14,584,807,584.80/105,924.70
  6. Step 6: Final answer
    x = 137,690.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.