Home / 55,124.70-76,065.75-31,246.62

Finding the Fourth Proportional to 55,124.70, 76,065.75 and 31,246.62

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Solution

The fourth proportional to 55,124.70, 76,065.75 and 31,246.62 is: 43,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.70 : 76,065.75 = 31,246.62 : x
  2. Step 2: Convert to fraction form
    55,124.70/76,065.75 = 31,246.62/x
  3. Step 3: Cross multiply
    55,124.70x = 76,065.75 × 31,246.62
  4. Step 4: Simplify right side
    55,124.70x = 2,376,797,585.27
  5. Step 5: Solve for x
    x = 2,376,797,585.27/55,124.70
  6. Step 6: Final answer
    x = 43,116.74

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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.