Home / 73,972.48-102,083.52-40,440.64

Finding the Fourth Proportional to 73,972.48, 102,083.52 and 40,440.64

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Solution

The fourth proportional to 73,972.48, 102,083.52 and 40,440.64 is: 55,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,972.48 : 102,083.52 = 40,440.64 : x
  2. Step 2: Convert to fraction form
    73,972.48/102,083.52 = 40,440.64/x
  3. Step 3: Cross multiply
    73,972.48x = 102,083.52 × 40,440.64
  4. Step 4: Simplify right side
    73,972.48x = 4,128,322,882.25
  5. Step 5: Solve for x
    x = 4,128,322,882.25/73,972.48
  6. Step 6: Final answer
    x = 55,808.90

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1.5x scale

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.