Home / 73,203.60-100,945-62,628.24

Finding the Fourth Proportional to 73,203.60, 100,945 and 62,628.24

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Solution

The fourth proportional to 73,203.60, 100,945 and 62,628.24 is: 86,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,203.60 : 100,945 = 62,628.24 : x
  2. Step 2: Convert to fraction form
    73,203.60/100,945 = 62,628.24/x
  3. Step 3: Cross multiply
    73,203.60x = 100,945 × 62,628.24
  4. Step 4: Simplify right side
    73,203.60x = 6,322,007,686.80
  5. Step 5: Solve for x
    x = 6,322,007,686.80/73,203.60
  6. Step 6: Final answer
    x = 86,361.98

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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.