Home / 82,562.90-113,885.39-68,729.92

Finding the Fourth Proportional to 82,562.90, 113,885.39 and 68,729.92

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Solution

The fourth proportional to 82,562.90, 113,885.39 and 68,729.92 is: 94,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,562.90 : 113,885.39 = 68,729.92 : x
  2. Step 2: Convert to fraction form
    82,562.90/113,885.39 = 68,729.92/x
  3. Step 3: Cross multiply
    82,562.90x = 113,885.39 × 68,729.92
  4. Step 4: Simplify right side
    82,562.90x = 7,827,333,630.98
  5. Step 5: Solve for x
    x = 7,827,333,630.98/82,562.90
  6. Step 6: Final answer
    x = 94,804.50

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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.