Home / 125,001.45-187,561.86-58,431.91

Finding the Fourth Proportional to 125,001.45, 187,561.86 and 58,431.91

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Solution

The fourth proportional to 125,001.45, 187,561.86 and 58,431.91 is: 87,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.45 : 187,561.86 = 58,431.91 : x
  2. Step 2: Convert to fraction form
    125,001.45/187,561.86 = 58,431.91/x
  3. Step 3: Cross multiply
    125,001.45x = 187,561.86 × 58,431.91
  4. Step 4: Simplify right side
    125,001.45x = 10,959,597,254.05
  5. Step 5: Solve for x
    x = 10,959,597,254.05/125,001.45
  6. Step 6: Final answer
    x = 87,675.76

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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.