Home / 55,559.46-76,670.10-31,693.77

Finding the Fourth Proportional to 55,559.46, 76,670.10 and 31,693.77

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Solution

The fourth proportional to 55,559.46, 76,670.10 and 31,693.77 is: 43,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.46 : 76,670.10 = 31,693.77 : x
  2. Step 2: Convert to fraction form
    55,559.46/76,670.10 = 31,693.77/x
  3. Step 3: Cross multiply
    55,559.46x = 76,670.10 × 31,693.77
  4. Step 4: Simplify right side
    55,559.46x = 2,429,964,515.28
  5. Step 5: Solve for x
    x = 2,429,964,515.28/55,559.46
  6. Step 6: Final answer
    x = 43,736.29

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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.