Home / 53,135.24-73,328.88-30,480.62

Finding the Fourth Proportional to 53,135.24, 73,328.88 and 30,480.62

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Solution

The fourth proportional to 53,135.24, 73,328.88 and 30,480.62 is: 42,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.24 : 73,328.88 = 30,480.62 : x
  2. Step 2: Convert to fraction form
    53,135.24/73,328.88 = 30,480.62/x
  3. Step 3: Cross multiply
    53,135.24x = 73,328.88 × 30,480.62
  4. Step 4: Simplify right side
    53,135.24x = 2,235,109,726.31
  5. Step 5: Solve for x
    x = 2,235,109,726.31/53,135.24
  6. Step 6: Final answer
    x = 42,064.55

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