Home / 54,315.02-74,953.43-30,115.86

Finding the Fourth Proportional to 54,315.02, 74,953.43 and 30,115.86

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Solution

The fourth proportional to 54,315.02, 74,953.43 and 30,115.86 is: 41,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.02 : 74,953.43 = 30,115.86 : x
  2. Step 2: Convert to fraction form
    54,315.02/74,953.43 = 30,115.86/x
  3. Step 3: Cross multiply
    54,315.02x = 74,953.43 × 30,115.86
  4. Step 4: Simplify right side
    54,315.02x = 2,257,287,004.40
  5. Step 5: Solve for x
    x = 2,257,287,004.40/54,315.02
  6. Step 6: Final answer
    x = 41,559.17

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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.