Home / 92,822.56-128,082-55,111.84

Finding the Fourth Proportional to 92,822.56, 128,082 and 55,111.84

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Solution

The fourth proportional to 92,822.56, 128,082 and 55,111.84 is: 76,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.56 : 128,082 = 55,111.84 : x
  2. Step 2: Convert to fraction form
    92,822.56/128,082 = 55,111.84/x
  3. Step 3: Cross multiply
    92,822.56x = 128,082 × 55,111.84
  4. Step 4: Simplify right side
    92,822.56x = 7,058,834,690.88
  5. Step 5: Solve for x
    x = 7,058,834,690.88/92,822.56
  6. Step 6: Final answer
    x = 76,046.54

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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.