Home / 78,983.86-118,505.39-41,009.43

Finding the Fourth Proportional to 78,983.86, 118,505.39 and 41,009.43

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Solution

The fourth proportional to 78,983.86, 118,505.39 and 41,009.43 is: 61,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,983.86 : 118,505.39 = 41,009.43 : x
  2. Step 2: Convert to fraction form
    78,983.86/118,505.39 = 41,009.43/x
  3. Step 3: Cross multiply
    78,983.86x = 118,505.39 × 41,009.43
  4. Step 4: Simplify right side
    78,983.86x = 4,859,837,743.29
  5. Step 5: Solve for x
    x = 4,859,837,743.29/78,983.86
  6. Step 6: Final answer
    x = 61,529.50

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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.