Home / 74,007.30-111,010.95-51,845.70

Finding the Fourth Proportional to 74,007.30, 111,010.95 and 51,845.70

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Solution

The fourth proportional to 74,007.30, 111,010.95 and 51,845.70 is: 77,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007.30 : 111,010.95 = 51,845.70 : x
  2. Step 2: Convert to fraction form
    74,007.30/111,010.95 = 51,845.70/x
  3. Step 3: Cross multiply
    74,007.30x = 111,010.95 × 51,845.70
  4. Step 4: Simplify right side
    74,007.30x = 5,755,440,410.42
  5. Step 5: Solve for x
    x = 5,755,440,410.42/74,007.30
  6. Step 6: Final answer
    x = 77,768.55

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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.