Home / 52,719.37-72,745.55-31,494.13

Finding the Fourth Proportional to 52,719.37, 72,745.55 and 31,494.13

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Solution

The fourth proportional to 52,719.37, 72,745.55 and 31,494.13 is: 43,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.37 : 72,745.55 = 31,494.13 : x
  2. Step 2: Convert to fraction form
    52,719.37/72,745.55 = 31,494.13/x
  3. Step 3: Cross multiply
    52,719.37x = 72,745.55 × 31,494.13
  4. Step 4: Simplify right side
    52,719.37x = 2,291,057,808.62
  5. Step 5: Solve for x
    x = 2,291,057,808.62/52,719.37
  6. Step 6: Final answer
    x = 43,457.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.