Home / 72,145.53-99,557.91-41,930.64

Finding the Fourth Proportional to 72,145.53, 99,557.91 and 41,930.64

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Solution

The fourth proportional to 72,145.53, 99,557.91 and 41,930.64 is: 57,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,145.53 : 99,557.91 = 41,930.64 : x
  2. Step 2: Convert to fraction form
    72,145.53/99,557.91 = 41,930.64/x
  3. Step 3: Cross multiply
    72,145.53x = 99,557.91 × 41,930.64
  4. Step 4: Simplify right side
    72,145.53x = 4,174,526,883.36
  5. Step 5: Solve for x
    x = 4,174,526,883.36/72,145.53
  6. Step 6: Final answer
    x = 57,862.59

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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.