Home / 93,921.89-140,938.12-34,798.78

Finding the Fourth Proportional to 93,921.89, 140,938.12 and 34,798.78

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Solution

The fourth proportional to 93,921.89, 140,938.12 and 34,798.78 is: 52,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,921.89 : 140,938.12 = 34,798.78 : x
  2. Step 2: Convert to fraction form
    93,921.89/140,938.12 = 34,798.78/x
  3. Step 3: Cross multiply
    93,921.89x = 140,938.12 × 34,798.78
  4. Step 4: Simplify right side
    93,921.89x = 4,904,474,631.49
  5. Step 5: Solve for x
    x = 4,904,474,631.49/93,921.89
  6. Step 6: Final answer
    x = 52,218.65

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1.5x scale

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.