Home / 54,151.34-81,216.02-14,708.78

Finding the Fourth Proportional to 54,151.34, 81,216.02 and 14,708.78

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Solution

The fourth proportional to 54,151.34, 81,216.02 and 14,708.78 is: 22,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.34 : 81,216.02 = 14,708.78 : x
  2. Step 2: Convert to fraction form
    54,151.34/81,216.02 = 14,708.78/x
  3. Step 3: Cross multiply
    54,151.34x = 81,216.02 × 14,708.78
  4. Step 4: Simplify right side
    54,151.34x = 1,194,588,570.66
  5. Step 5: Solve for x
    x = 1,194,588,570.66/54,151.34
  6. Step 6: Final answer
    x = 22,060.18

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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.