Home / 55,583.83-76,686.64-31,693.33

Finding the Fourth Proportional to 55,583.83, 76,686.64 and 31,693.33

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Solution

The fourth proportional to 55,583.83, 76,686.64 and 31,693.33 is: 43,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,583.83 : 76,686.64 = 31,693.33 : x
  2. Step 2: Convert to fraction form
    55,583.83/76,686.64 = 31,693.33/x
  3. Step 3: Cross multiply
    55,583.83x = 76,686.64 × 31,693.33
  4. Step 4: Simplify right side
    55,583.83x = 2,430,454,988.11
  5. Step 5: Solve for x
    x = 2,430,454,988.11/55,583.83
  6. Step 6: Final answer
    x = 43,725.94

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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.