Home / 55,028.34-82,543.76-31,165.38

Finding the Fourth Proportional to 55,028.34, 82,543.76 and 31,165.38

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Solution

The fourth proportional to 55,028.34, 82,543.76 and 31,165.38 is: 46,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.34 : 82,543.76 = 31,165.38 : x
  2. Step 2: Convert to fraction form
    55,028.34/82,543.76 = 31,165.38/x
  3. Step 3: Cross multiply
    55,028.34x = 82,543.76 × 31,165.38
  4. Step 4: Simplify right side
    55,028.34x = 2,572,507,317.88
  5. Step 5: Solve for x
    x = 2,572,507,317.88/55,028.34
  6. Step 6: Final answer
    x = 46,748.77

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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.