Home / 74,308.27-111,314.78-40,945.59

Finding the Fourth Proportional to 74,308.27, 111,314.78 and 40,945.59

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Solution

The fourth proportional to 74,308.27, 111,314.78 and 40,945.59 is: 61,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.27 : 111,314.78 = 40,945.59 : x
  2. Step 2: Convert to fraction form
    74,308.27/111,314.78 = 40,945.59/x
  3. Step 3: Cross multiply
    74,308.27x = 111,314.78 × 40,945.59
  4. Step 4: Simplify right side
    74,308.27x = 4,557,849,342.82
  5. Step 5: Solve for x
    x = 4,557,849,342.82/74,308.27
  6. Step 6: Final answer
    x = 61,337.04

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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.