Home / 78,259.97-117,338.93-51,525.04

Finding the Fourth Proportional to 78,259.97, 117,338.93 and 51,525.04

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Solution

The fourth proportional to 78,259.97, 117,338.93 and 51,525.04 is: 77,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,259.97 : 117,338.93 = 51,525.04 : x
  2. Step 2: Convert to fraction form
    78,259.97/117,338.93 = 51,525.04/x
  3. Step 3: Cross multiply
    78,259.97x = 117,338.93 × 51,525.04
  4. Step 4: Simplify right side
    78,259.97x = 6,045,892,594.05
  5. Step 5: Solve for x
    x = 6,045,892,594.05/78,259.97
  6. Step 6: Final answer
    x = 77,253.96

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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.