Home / 55,534.49-76,635.70-31,668.85

Finding the Fourth Proportional to 55,534.49, 76,635.70 and 31,668.85

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Solution

The fourth proportional to 55,534.49, 76,635.70 and 31,668.85 is: 43,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.49 : 76,635.70 = 31,668.85 : x
  2. Step 2: Convert to fraction form
    55,534.49/76,635.70 = 31,668.85/x
  3. Step 3: Cross multiply
    55,534.49x = 76,635.70 × 31,668.85
  4. Step 4: Simplify right side
    55,534.49x = 2,426,964,487.95
  5. Step 5: Solve for x
    x = 2,426,964,487.95/55,534.49
  6. Step 6: Final answer
    x = 43,701.93

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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.