Home / 72,949.34-100,664.07-41,126.06

Finding the Fourth Proportional to 72,949.34, 100,664.07 and 41,126.06

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Solution

The fourth proportional to 72,949.34, 100,664.07 and 41,126.06 is: 56,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,949.34 : 100,664.07 = 41,126.06 : x
  2. Step 2: Convert to fraction form
    72,949.34/100,664.07 = 41,126.06/x
  3. Step 3: Cross multiply
    72,949.34x = 100,664.07 × 41,126.06
  4. Step 4: Simplify right side
    72,949.34x = 4,139,916,680.10
  5. Step 5: Solve for x
    x = 4,139,916,680.10/72,949.34
  6. Step 6: Final answer
    x = 56,750.57

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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.