Home / 125,048.34-187,592.12-40,789.05

Finding the Fourth Proportional to 125,048.34, 187,592.12 and 40,789.05

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Solution

The fourth proportional to 125,048.34, 187,592.12 and 40,789.05 is: 61,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,048.34 : 187,592.12 = 40,789.05 : x
  2. Step 2: Convert to fraction form
    125,048.34/187,592.12 = 40,789.05/x
  3. Step 3: Cross multiply
    125,048.34x = 187,592.12 × 40,789.05
  4. Step 4: Simplify right side
    125,048.34x = 7,651,704,663.03
  5. Step 5: Solve for x
    x = 7,651,704,663.03/125,048.34
  6. Step 6: Final answer
    x = 61,189.97

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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.