Home / 93,213.57-128,604.05-54,442.49

Finding the Fourth Proportional to 93,213.57, 128,604.05 and 54,442.49

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Solution

The fourth proportional to 93,213.57, 128,604.05 and 54,442.49 is: 75,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.57 : 128,604.05 = 54,442.49 : x
  2. Step 2: Convert to fraction form
    93,213.57/128,604.05 = 54,442.49/x
  3. Step 3: Cross multiply
    93,213.57x = 128,604.05 × 54,442.49
  4. Step 4: Simplify right side
    93,213.57x = 7,001,523,790.85
  5. Step 5: Solve for x
    x = 7,001,523,790.85/93,213.57
  6. Step 6: Final answer
    x = 75,112.71

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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.