Home / 82,259.52-123,337.44-69,783.92

Finding the Fourth Proportional to 82,259.52, 123,337.44 and 69,783.92

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Solution

The fourth proportional to 82,259.52, 123,337.44 and 69,783.92 is: 104,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259.52 : 123,337.44 = 69,783.92 : x
  2. Step 2: Convert to fraction form
    82,259.52/123,337.44 = 69,783.92/x
  3. Step 3: Cross multiply
    82,259.52x = 123,337.44 × 69,783.92
  4. Step 4: Simplify right side
    82,259.52x = 8,606,970,045.96
  5. Step 5: Solve for x
    x = 8,606,970,045.96/82,259.52
  6. Step 6: Final answer
    x = 104,631.90

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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.