Home / 53,167.14-73,381.26-30,521.43

Finding the Fourth Proportional to 53,167.14, 73,381.26 and 30,521.43

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Solution

The fourth proportional to 53,167.14, 73,381.26 and 30,521.43 is: 42,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167.14 : 73,381.26 = 30,521.43 : x
  2. Step 2: Convert to fraction form
    53,167.14/73,381.26 = 30,521.43/x
  3. Step 3: Cross multiply
    53,167.14x = 73,381.26 × 30,521.43
  4. Step 4: Simplify right side
    53,167.14x = 2,239,700,990.40
  5. Step 5: Solve for x
    x = 2,239,700,990.40/53,167.14
  6. Step 6: Final answer
    x = 42,125.66

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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.