Home / 72,961.43-100,685.42-41,130.35

Finding the Fourth Proportional to 72,961.43, 100,685.42 and 41,130.35

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Solution

The fourth proportional to 72,961.43, 100,685.42 and 41,130.35 is: 56,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,961.43 : 100,685.42 = 41,130.35 : x
  2. Step 2: Convert to fraction form
    72,961.43/100,685.42 = 41,130.35/x
  3. Step 3: Cross multiply
    72,961.43x = 100,685.42 × 41,130.35
  4. Step 4: Simplify right side
    72,961.43x = 4,141,225,855.42
  5. Step 5: Solve for x
    x = 4,141,225,855.42/72,961.43
  6. Step 6: Final answer
    x = 56,759.11

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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.