Home / 62,845.32-86,721.38-36,999.76

Finding the Fourth Proportional to 62,845.32, 86,721.38 and 36,999.76

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Solution

The fourth proportional to 62,845.32, 86,721.38 and 36,999.76 is: 51,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,845.32 : 86,721.38 = 36,999.76 : x
  2. Step 2: Convert to fraction form
    62,845.32/86,721.38 = 36,999.76/x
  3. Step 3: Cross multiply
    62,845.32x = 86,721.38 × 36,999.76
  4. Step 4: Simplify right side
    62,845.32x = 3,208,670,246.87
  5. Step 5: Solve for x
    x = 3,208,670,246.87/62,845.32
  6. Step 6: Final answer
    x = 51,056.63

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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.