Home / 55,665.23-76,823.51-31,795.47

Finding the Fourth Proportional to 55,665.23, 76,823.51 and 31,795.47

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Solution

The fourth proportional to 55,665.23, 76,823.51 and 31,795.47 is: 43,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.23 : 76,823.51 = 31,795.47 : x
  2. Step 2: Convert to fraction form
    55,665.23/76,823.51 = 31,795.47/x
  3. Step 3: Cross multiply
    55,665.23x = 76,823.51 × 31,795.47
  4. Step 4: Simplify right side
    55,665.23x = 2,442,639,448.52
  5. Step 5: Solve for x
    x = 2,442,639,448.52/55,665.23
  6. Step 6: Final answer
    x = 43,880.89

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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.