Home / 60,904.32-91,372.20-18,783.45

Finding the Fourth Proportional to 60,904.32, 91,372.20 and 18,783.45

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Solution

The fourth proportional to 60,904.32, 91,372.20 and 18,783.45 is: 28,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,904.32 : 91,372.20 = 18,783.45 : x
  2. Step 2: Convert to fraction form
    60,904.32/91,372.20 = 18,783.45/x
  3. Step 3: Cross multiply
    60,904.32x = 91,372.20 × 18,783.45
  4. Step 4: Simplify right side
    60,904.32x = 1,716,285,150.09
  5. Step 5: Solve for x
    x = 1,716,285,150.09/60,904.32
  6. Step 6: Final answer
    x = 28,180.02

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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.