Home / 55,508.34-76,601.64-31,636.02

Finding the Fourth Proportional to 55,508.34, 76,601.64 and 31,636.02

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Solution

The fourth proportional to 55,508.34, 76,601.64 and 31,636.02 is: 43,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.34 : 76,601.64 = 31,636.02 : x
  2. Step 2: Convert to fraction form
    55,508.34/76,601.64 = 31,636.02/x
  3. Step 3: Cross multiply
    55,508.34x = 76,601.64 × 31,636.02
  4. Step 4: Simplify right side
    55,508.34x = 2,423,371,015.07
  5. Step 5: Solve for x
    x = 2,423,371,015.07/55,508.34
  6. Step 6: Final answer
    x = 43,657.78

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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.