Home / 53,507.08-80,186.81-40,344.99

Finding the Fourth Proportional to 53,507.08, 80,186.81 and 40,344.99

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Solution

The fourth proportional to 53,507.08, 80,186.81 and 40,344.99 is: 60,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,507.08 : 80,186.81 = 40,344.99 : x
  2. Step 2: Convert to fraction form
    53,507.08/80,186.81 = 40,344.99/x
  3. Step 3: Cross multiply
    53,507.08x = 80,186.81 × 40,344.99
  4. Step 4: Simplify right side
    53,507.08x = 3,235,135,772.10
  5. Step 5: Solve for x
    x = 3,235,135,772.10/53,507.08
  6. Step 6: Final answer
    x = 60,461.82

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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.