Home / 82,441.48-123,660.88-26,280.84

Finding the Fourth Proportional to 82,441.48, 123,660.88 and 26,280.84

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Solution

The fourth proportional to 82,441.48, 123,660.88 and 26,280.84 is: 39,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,441.48 : 123,660.88 = 26,280.84 : x
  2. Step 2: Convert to fraction form
    82,441.48/123,660.88 = 26,280.84/x
  3. Step 3: Cross multiply
    82,441.48x = 123,660.88 × 26,280.84
  4. Step 4: Simplify right side
    82,441.48x = 3,249,911,801.54
  5. Step 5: Solve for x
    x = 3,249,911,801.54/82,441.48
  6. Step 6: Final answer
    x = 39,420.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.