Home / 54,417.85-81,617.19-14,965.45

Finding the Fourth Proportional to 54,417.85, 81,617.19 and 14,965.45

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Solution

The fourth proportional to 54,417.85, 81,617.19 and 14,965.45 is: 22,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,417.85 : 81,617.19 = 14,965.45 : x
  2. Step 2: Convert to fraction form
    54,417.85/81,617.19 = 14,965.45/x
  3. Step 3: Cross multiply
    54,417.85x = 81,617.19 × 14,965.45
  4. Step 4: Simplify right side
    54,417.85x = 1,221,437,976.09
  5. Step 5: Solve for x
    x = 1,221,437,976.09/54,417.85
  6. Step 6: Final answer
    x = 22,445.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.