Home / 60,437.05-90,624.29-27,128.43

Finding the Fourth Proportional to 60,437.05, 90,624.29 and 27,128.43

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Solution

The fourth proportional to 60,437.05, 90,624.29 and 27,128.43 is: 40,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,437.05 : 90,624.29 = 27,128.43 : x
  2. Step 2: Convert to fraction form
    60,437.05/90,624.29 = 27,128.43/x
  3. Step 3: Cross multiply
    60,437.05x = 90,624.29 × 27,128.43
  4. Step 4: Simplify right side
    60,437.05x = 2,458,494,571.92
  5. Step 5: Solve for x
    x = 2,458,494,571.92/60,437.05
  6. Step 6: Final answer
    x = 40,678.60

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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.