Home / 93,570.30-140,395.66-30,409.78

Finding the Fourth Proportional to 93,570.30, 140,395.66 and 30,409.78

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Solution

The fourth proportional to 93,570.30, 140,395.66 and 30,409.78 is: 45,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,570.30 : 140,395.66 = 30,409.78 : x
  2. Step 2: Convert to fraction form
    93,570.30/140,395.66 = 30,409.78/x
  3. Step 3: Cross multiply
    93,570.30x = 140,395.66 × 30,409.78
  4. Step 4: Simplify right side
    93,570.30x = 4,269,401,076.69
  5. Step 5: Solve for x
    x = 4,269,401,076.69/93,570.30
  6. Step 6: Final answer
    x = 45,627.74

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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.