Home / 55,232.98-76,221.88-31,360.08

Finding the Fourth Proportional to 55,232.98, 76,221.88 and 31,360.08

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Solution

The fourth proportional to 55,232.98, 76,221.88 and 31,360.08 is: 43,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.98 : 76,221.88 = 31,360.08 : x
  2. Step 2: Convert to fraction form
    55,232.98/76,221.88 = 31,360.08/x
  3. Step 3: Cross multiply
    55,232.98x = 76,221.88 × 31,360.08
  4. Step 4: Simplify right side
    55,232.98x = 2,390,324,254.55
  5. Step 5: Solve for x
    x = 2,390,324,254.55/55,232.98
  6. Step 6: Final answer
    x = 43,277.12

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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.