Home / 125,092.58-187,639.25-30,322.39

Finding the Fourth Proportional to 125,092.58, 187,639.25 and 30,322.39

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Solution

The fourth proportional to 125,092.58, 187,639.25 and 30,322.39 is: 45,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.58 : 187,639.25 = 30,322.39 : x
  2. Step 2: Convert to fraction form
    125,092.58/187,639.25 = 30,322.39/x
  3. Step 3: Cross multiply
    125,092.58x = 187,639.25 × 30,322.39
  4. Step 4: Simplify right side
    125,092.58x = 5,689,670,517.81
  5. Step 5: Solve for x
    x = 5,689,670,517.81/125,092.58
  6. Step 6: Final answer
    x = 45,483.68

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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.