Home / 111,528.81-166,943.30-58,778.37

Finding the Fourth Proportional to 111,528.81, 166,943.30 and 58,778.37

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Solution

The fourth proportional to 111,528.81, 166,943.30 and 58,778.37 is: 87,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,528.81 : 166,943.30 = 58,778.37 : x
  2. Step 2: Convert to fraction form
    111,528.81/166,943.30 = 58,778.37/x
  3. Step 3: Cross multiply
    111,528.81x = 166,943.30 × 58,778.37
  4. Step 4: Simplify right side
    111,528.81x = 9,812,654,762.53
  5. Step 5: Solve for x
    x = 9,812,654,762.53/111,528.81
  6. Step 6: Final answer
    x = 87,983.14

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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.