Home / 82,289.73-113,557.50-48,755.73

Finding the Fourth Proportional to 82,289.73, 113,557.50 and 48,755.73

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Solution

The fourth proportional to 82,289.73, 113,557.50 and 48,755.73 is: 67,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.73 : 113,557.50 = 48,755.73 : x
  2. Step 2: Convert to fraction form
    82,289.73/113,557.50 = 48,755.73/x
  3. Step 3: Cross multiply
    82,289.73x = 113,557.50 × 48,755.73
  4. Step 4: Simplify right side
    82,289.73x = 5,536,578,809.48
  5. Step 5: Solve for x
    x = 5,536,578,809.48/82,289.73
  6. Step 6: Final answer
    x = 67,281.53

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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.