Home / 48,715.88-73,086.65-20,637.08

Finding the Fourth Proportional to 48,715.88, 73,086.65 and 20,637.08

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Solution

The fourth proportional to 48,715.88, 73,086.65 and 20,637.08 is: 30,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.88 : 73,086.65 = 20,637.08 : x
  2. Step 2: Convert to fraction form
    48,715.88/73,086.65 = 20,637.08/x
  3. Step 3: Cross multiply
    48,715.88x = 73,086.65 × 20,637.08
  4. Step 4: Simplify right side
    48,715.88x = 1,508,295,041.91
  5. Step 5: Solve for x
    x = 1,508,295,041.91/48,715.88
  6. Step 6: Final answer
    x = 30,961.05

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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.