Home / 82,420.50-123,619.68-23,260.92

Finding the Fourth Proportional to 82,420.50, 123,619.68 and 23,260.92

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Solution

The fourth proportional to 82,420.50, 123,619.68 and 23,260.92 is: 34,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,420.50 : 123,619.68 = 23,260.92 : x
  2. Step 2: Convert to fraction form
    82,420.50/123,619.68 = 23,260.92/x
  3. Step 3: Cross multiply
    82,420.50x = 123,619.68 × 23,260.92
  4. Step 4: Simplify right side
    82,420.50x = 2,875,507,486.91
  5. Step 5: Solve for x
    x = 2,875,507,486.91/82,420.50
  6. Step 6: Final answer
    x = 34,888.26

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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.