Home / 78,705.24-118,092.84-41,256.48

Finding the Fourth Proportional to 78,705.24, 118,092.84 and 41,256.48

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Solution

The fourth proportional to 78,705.24, 118,092.84 and 41,256.48 is: 61,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,705.24 : 118,092.84 = 41,256.48 : x
  2. Step 2: Convert to fraction form
    78,705.24/118,092.84 = 41,256.48/x
  3. Step 3: Cross multiply
    78,705.24x = 118,092.84 × 41,256.48
  4. Step 4: Simplify right side
    78,705.24x = 4,872,094,891.60
  5. Step 5: Solve for x
    x = 4,872,094,891.60/78,705.24
  6. Step 6: Final answer
    x = 61,903.06

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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.