Home / 54,580.41-75,320.67-30,707.25

Finding the Fourth Proportional to 54,580.41, 75,320.67 and 30,707.25

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Solution

The fourth proportional to 54,580.41, 75,320.67 and 30,707.25 is: 42,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.41 : 75,320.67 = 30,707.25 : x
  2. Step 2: Convert to fraction form
    54,580.41/75,320.67 = 30,707.25/x
  3. Step 3: Cross multiply
    54,580.41x = 75,320.67 × 30,707.25
  4. Step 4: Simplify right side
    54,580.41x = 2,312,890,643.86
  5. Step 5: Solve for x
    x = 2,312,890,643.86/54,580.41
  6. Step 6: Final answer
    x = 42,375.84

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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.