Home / 53,988.94-74,504.70-30,115.61

Finding the Fourth Proportional to 53,988.94, 74,504.70 and 30,115.61

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Solution

The fourth proportional to 53,988.94, 74,504.70 and 30,115.61 is: 41,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.94 : 74,504.70 = 30,115.61 : x
  2. Step 2: Convert to fraction form
    53,988.94/74,504.70 = 30,115.61/x
  3. Step 3: Cross multiply
    53,988.94x = 74,504.70 × 30,115.61
  4. Step 4: Simplify right side
    53,988.94x = 2,243,754,488.37
  5. Step 5: Solve for x
    x = 2,243,754,488.37/53,988.94
  6. Step 6: Final answer
    x = 41,559.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.