Home / 54,664.86-75,411.73-31,989.95

Finding the Fourth Proportional to 54,664.86, 75,411.73 and 31,989.95

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Solution

The fourth proportional to 54,664.86, 75,411.73 and 31,989.95 is: 44,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,664.86 : 75,411.73 = 31,989.95 : x
  2. Step 2: Convert to fraction form
    54,664.86/75,411.73 = 31,989.95/x
  3. Step 3: Cross multiply
    54,664.86x = 75,411.73 × 31,989.95
  4. Step 4: Simplify right side
    54,664.86x = 2,412,417,472.11
  5. Step 5: Solve for x
    x = 2,412,417,472.11/54,664.86
  6. Step 6: Final answer
    x = 44,131.05

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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.