Home / 78,431.23-108,250.80-46,593.97

Finding the Fourth Proportional to 78,431.23, 108,250.80 and 46,593.97

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Solution

The fourth proportional to 78,431.23, 108,250.80 and 46,593.97 is: 64,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,431.23 : 108,250.80 = 46,593.97 : x
  2. Step 2: Convert to fraction form
    78,431.23/108,250.80 = 46,593.97/x
  3. Step 3: Cross multiply
    78,431.23x = 108,250.80 × 46,593.97
  4. Step 4: Simplify right side
    78,431.23x = 5,043,834,798.30
  5. Step 5: Solve for x
    x = 5,043,834,798.30/78,431.23
  6. Step 6: Final answer
    x = 64,309.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.