Home / 111,901.14-167,890.59-49,615.38

Finding the Fourth Proportional to 111,901.14, 167,890.59 and 49,615.38

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Solution

The fourth proportional to 111,901.14, 167,890.59 and 49,615.38 is: 74,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,901.14 : 167,890.59 = 49,615.38 : x
  2. Step 2: Convert to fraction form
    111,901.14/167,890.59 = 49,615.38/x
  3. Step 3: Cross multiply
    111,901.14x = 167,890.59 × 49,615.38
  4. Step 4: Simplify right side
    111,901.14x = 8,329,955,421.27
  5. Step 5: Solve for x
    x = 8,329,955,421.27/111,901.14
  6. Step 6: Final answer
    x = 74,440.31

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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.