Home / 60,783.29-91,155.24-20,246.03

Finding the Fourth Proportional to 60,783.29, 91,155.24 and 20,246.03

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Solution

The fourth proportional to 60,783.29, 91,155.24 and 20,246.03 is: 30,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,783.29 : 91,155.24 = 20,246.03 : x
  2. Step 2: Convert to fraction form
    60,783.29/91,155.24 = 20,246.03/x
  3. Step 3: Cross multiply
    60,783.29x = 91,155.24 × 20,246.03
  4. Step 4: Simplify right side
    60,783.29x = 1,845,531,267.92
  5. Step 5: Solve for x
    x = 1,845,531,267.92/60,783.29
  6. Step 6: Final answer
    x = 30,362.48

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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.