Home / 53,131.04-73,318.92-31,897.76

Finding the Fourth Proportional to 53,131.04, 73,318.92 and 31,897.76

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Solution

The fourth proportional to 53,131.04, 73,318.92 and 31,897.76 is: 44,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.04 : 73,318.92 = 31,897.76 : x
  2. Step 2: Convert to fraction form
    53,131.04/73,318.92 = 31,897.76/x
  3. Step 3: Cross multiply
    53,131.04x = 73,318.92 × 31,897.76
  4. Step 4: Simplify right side
    53,131.04x = 2,338,709,313.62
  5. Step 5: Solve for x
    x = 2,338,709,313.62/53,131.04
  6. Step 6: Final answer
    x = 44,017.76

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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.