Home / 48,783.96-73,167.36-13,715.28

Finding the Fourth Proportional to 48,783.96, 73,167.36 and 13,715.28

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Solution

The fourth proportional to 48,783.96, 73,167.36 and 13,715.28 is: 20,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.96 : 73,167.36 = 13,715.28 : x
  2. Step 2: Convert to fraction form
    48,783.96/73,167.36 = 13,715.28/x
  3. Step 3: Cross multiply
    48,783.96x = 73,167.36 × 13,715.28
  4. Step 4: Simplify right side
    48,783.96x = 1,003,510,829.26
  5. Step 5: Solve for x
    x = 1,003,510,829.26/48,783.96
  6. Step 6: Final answer
    x = 20,570.51

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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.