Home / 52,045.70-71,816.54-29,381.90

Finding the Fourth Proportional to 52,045.70, 71,816.54 and 29,381.90

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Solution

The fourth proportional to 52,045.70, 71,816.54 and 29,381.90 is: 40,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.70 : 71,816.54 = 29,381.90 : x
  2. Step 2: Convert to fraction form
    52,045.70/71,816.54 = 29,381.90/x
  3. Step 3: Cross multiply
    52,045.70x = 71,816.54 × 29,381.90
  4. Step 4: Simplify right side
    52,045.70x = 2,110,105,890.63
  5. Step 5: Solve for x
    x = 2,110,105,890.63/52,045.70
  6. Step 6: Final answer
    x = 40,543.33

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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.