Home / 125,113.41-187,688.42-36,355.38

Finding the Fourth Proportional to 125,113.41, 187,688.42 and 36,355.38

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Solution

The fourth proportional to 125,113.41, 187,688.42 and 36,355.38 is: 54,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,113.41 : 187,688.42 = 36,355.38 : x
  2. Step 2: Convert to fraction form
    125,113.41/187,688.42 = 36,355.38/x
  3. Step 3: Cross multiply
    125,113.41x = 187,688.42 × 36,355.38
  4. Step 4: Simplify right side
    125,113.41x = 6,823,484,034.92
  5. Step 5: Solve for x
    x = 6,823,484,034.92/125,113.41
  6. Step 6: Final answer
    x = 54,538.39

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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.