Home / 74,237.50-111,362.73-18,833.50

Finding the Fourth Proportional to 74,237.50, 111,362.73 and 18,833.50

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Solution

The fourth proportional to 74,237.50, 111,362.73 and 18,833.50 is: 28,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.50 : 111,362.73 = 18,833.50 : x
  2. Step 2: Convert to fraction form
    74,237.50/111,362.73 = 18,833.50/x
  3. Step 3: Cross multiply
    74,237.50x = 111,362.73 × 18,833.50
  4. Step 4: Simplify right side
    74,237.50x = 2,097,349,975.46
  5. Step 5: Solve for x
    x = 2,097,349,975.46/74,237.50
  6. Step 6: Final answer
    x = 28,251.89

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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.