Home / 53,939.10-74,432.89-30,064.96

Finding the Fourth Proportional to 53,939.10, 74,432.89 and 30,064.96

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Solution

The fourth proportional to 53,939.10, 74,432.89 and 30,064.96 is: 41,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939.10 : 74,432.89 = 30,064.96 : x
  2. Step 2: Convert to fraction form
    53,939.10/74,432.89 = 30,064.96/x
  3. Step 3: Cross multiply
    53,939.10x = 74,432.89 × 30,064.96
  4. Step 4: Simplify right side
    53,939.10x = 2,237,821,860.53
  5. Step 5: Solve for x
    x = 2,237,821,860.53/53,939.10
  6. Step 6: Final answer
    x = 41,487.93

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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.