Home / 73,215.36-109,783.57-39,499.45

Finding the Fourth Proportional to 73,215.36, 109,783.57 and 39,499.45

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Solution

The fourth proportional to 73,215.36, 109,783.57 and 39,499.45 is: 59,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.36 : 109,783.57 = 39,499.45 : x
  2. Step 2: Convert to fraction form
    73,215.36/109,783.57 = 39,499.45/x
  3. Step 3: Cross multiply
    73,215.36x = 109,783.57 × 39,499.45
  4. Step 4: Simplify right side
    73,215.36x = 4,336,390,436.54
  5. Step 5: Solve for x
    x = 4,336,390,436.54/73,215.36
  6. Step 6: Final answer
    x = 59,227.88

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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.