Home / 115,789.08-173,592.90-45,720.84

Finding the Fourth Proportional to 115,789.08, 173,592.90 and 45,720.84

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Solution

The fourth proportional to 115,789.08, 173,592.90 and 45,720.84 is: 68,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,789.08 : 173,592.90 = 45,720.84 : x
  2. Step 2: Convert to fraction form
    115,789.08/173,592.90 = 45,720.84/x
  3. Step 3: Cross multiply
    115,789.08x = 173,592.90 × 45,720.84
  4. Step 4: Simplify right side
    115,789.08x = 7,936,813,206.04
  5. Step 5: Solve for x
    x = 7,936,813,206.04/115,789.08
  6. Step 6: Final answer
    x = 68,545.44

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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.