Home / 74,298.56-111,318.36-61,898.26

Finding the Fourth Proportional to 74,298.56, 111,318.36 and 61,898.26

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Solution

The fourth proportional to 74,298.56, 111,318.36 and 61,898.26 is: 92,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,298.56 : 111,318.36 = 61,898.26 : x
  2. Step 2: Convert to fraction form
    74,298.56/111,318.36 = 61,898.26/x
  3. Step 3: Cross multiply
    74,298.56x = 111,318.36 × 61,898.26
  4. Step 4: Simplify right side
    74,298.56x = 6,890,412,790.05
  5. Step 5: Solve for x
    x = 6,890,412,790.05/74,298.56
  6. Step 6: Final answer
    x = 92,739.52

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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.