Home / 82,056.30-123,082.65-22,890.30

Finding the Fourth Proportional to 82,056.30, 123,082.65 and 22,890.30

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Solution

The fourth proportional to 82,056.30, 123,082.65 and 22,890.30 is: 34,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,056.30 : 123,082.65 = 22,890.30 : x
  2. Step 2: Convert to fraction form
    82,056.30/123,082.65 = 22,890.30/x
  3. Step 3: Cross multiply
    82,056.30x = 123,082.65 × 22,890.30
  4. Step 4: Simplify right side
    82,056.30x = 2,817,398,783.30
  5. Step 5: Solve for x
    x = 2,817,398,783.30/82,056.30
  6. Step 6: Final answer
    x = 34,334.95

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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.