Home / 55,317.13-82,828.17-28,966.61

Finding the Fourth Proportional to 55,317.13, 82,828.17 and 28,966.61

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Solution

The fourth proportional to 55,317.13, 82,828.17 and 28,966.61 is: 43,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.13 : 82,828.17 = 28,966.61 : x
  2. Step 2: Convert to fraction form
    55,317.13/82,828.17 = 28,966.61/x
  3. Step 3: Cross multiply
    55,317.13x = 82,828.17 × 28,966.61
  4. Step 4: Simplify right side
    55,317.13x = 2,399,251,504.47
  5. Step 5: Solve for x
    x = 2,399,251,504.47/55,317.13
  6. Step 6: Final answer
    x = 43,372.67

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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.