Home / 82,399.14-123,457.64-44,985.51

Finding the Fourth Proportional to 82,399.14, 123,457.64 and 44,985.51

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Solution

The fourth proportional to 82,399.14, 123,457.64 and 44,985.51 is: 67,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,399.14 : 123,457.64 = 44,985.51 : x
  2. Step 2: Convert to fraction form
    82,399.14/123,457.64 = 44,985.51/x
  3. Step 3: Cross multiply
    82,399.14x = 123,457.64 × 44,985.51
  4. Step 4: Simplify right side
    82,399.14x = 5,553,804,673.87
  5. Step 5: Solve for x
    x = 5,553,804,673.87/82,399.14
  6. Step 6: Final answer
    x = 67,401.25

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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.