Home / 111,821.52-167,768.73-52,663.17

Finding the Fourth Proportional to 111,821.52, 167,768.73 and 52,663.17

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Solution

The fourth proportional to 111,821.52, 167,768.73 and 52,663.17 is: 79,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.52 : 167,768.73 = 52,663.17 : x
  2. Step 2: Convert to fraction form
    111,821.52/167,768.73 = 52,663.17/x
  3. Step 3: Cross multiply
    111,821.52x = 167,768.73 × 52,663.17
  4. Step 4: Simplify right side
    111,821.52x = 8,835,232,885.36
  5. Step 5: Solve for x
    x = 8,835,232,885.36/111,821.52
  6. Step 6: Final answer
    x = 79,011.92

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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.