Home / 106,495.81-146,964.70-58,749.15

Finding the Fourth Proportional to 106,495.81, 146,964.70 and 58,749.15

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Solution

The fourth proportional to 106,495.81, 146,964.70 and 58,749.15 is: 81,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,495.81 : 146,964.70 = 58,749.15 : x
  2. Step 2: Convert to fraction form
    106,495.81/146,964.70 = 58,749.15/x
  3. Step 3: Cross multiply
    106,495.81x = 146,964.70 × 58,749.15
  4. Step 4: Simplify right side
    106,495.81x = 8,634,051,168.11
  5. Step 5: Solve for x
    x = 8,634,051,168.11/106,495.81
  6. Step 6: Final answer
    x = 81,074.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.