Home / 72,263.13-108,438.43-30,710.13

Finding the Fourth Proportional to 72,263.13, 108,438.43 and 30,710.13

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Solution

The fourth proportional to 72,263.13, 108,438.43 and 30,710.13 is: 46,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263.13 : 108,438.43 = 30,710.13 : x
  2. Step 2: Convert to fraction form
    72,263.13/108,438.43 = 30,710.13/x
  3. Step 3: Cross multiply
    72,263.13x = 108,438.43 × 30,710.13
  4. Step 4: Simplify right side
    72,263.13x = 3,330,158,282.30
  5. Step 5: Solve for x
    x = 3,330,158,282.30/72,263.13
  6. Step 6: Final answer
    x = 46,083.78

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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.