Home / 82,862.04-114,408.54-51,040.92

Finding the Fourth Proportional to 82,862.04, 114,408.54 and 51,040.92

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Solution

The fourth proportional to 82,862.04, 114,408.54 and 51,040.92 is: 70,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,862.04 : 114,408.54 = 51,040.92 : x
  2. Step 2: Convert to fraction form
    82,862.04/114,408.54 = 51,040.92/x
  3. Step 3: Cross multiply
    82,862.04x = 114,408.54 × 51,040.92
  4. Step 4: Simplify right side
    82,862.04x = 5,839,517,137.46
  5. Step 5: Solve for x
    x = 5,839,517,137.46/82,862.04
  6. Step 6: Final answer
    x = 70,472.77

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1.5x scale

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.