Home / 75,122.40-103,666.32-41,586.24

Finding the Fourth Proportional to 75,122.40, 103,666.32 and 41,586.24

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Solution

The fourth proportional to 75,122.40, 103,666.32 and 41,586.24 is: 57,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.40 : 103,666.32 = 41,586.24 : x
  2. Step 2: Convert to fraction form
    75,122.40/103,666.32 = 41,586.24/x
  3. Step 3: Cross multiply
    75,122.40x = 103,666.32 × 41,586.24
  4. Step 4: Simplify right side
    75,122.40x = 4,311,092,463.44
  5. Step 5: Solve for x
    x = 4,311,092,463.44/75,122.40
  6. Step 6: Final answer
    x = 57,387.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.