Home / 57,123.76-78,757.32-36,945.04

Finding the Fourth Proportional to 57,123.76, 78,757.32 and 36,945.04

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Solution

The fourth proportional to 57,123.76, 78,757.32 and 36,945.04 is: 50,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.76 : 78,757.32 = 36,945.04 : x
  2. Step 2: Convert to fraction form
    57,123.76/78,757.32 = 36,945.04/x
  3. Step 3: Cross multiply
    57,123.76x = 78,757.32 × 36,945.04
  4. Step 4: Simplify right side
    57,123.76x = 2,909,692,337.69
  5. Step 5: Solve for x
    x = 2,909,692,337.69/57,123.76
  6. Step 6: Final answer
    x = 50,936.64

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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.