Home / 51,564.79-77,347.24-14,125.18

Finding the Fourth Proportional to 51,564.79, 77,347.24 and 14,125.18

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Solution

The fourth proportional to 51,564.79, 77,347.24 and 14,125.18 is: 21,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,564.79 : 77,347.24 = 14,125.18 : x
  2. Step 2: Convert to fraction form
    51,564.79/77,347.24 = 14,125.18/x
  3. Step 3: Cross multiply
    51,564.79x = 77,347.24 × 14,125.18
  4. Step 4: Simplify right side
    51,564.79x = 1,092,543,991.01
  5. Step 5: Solve for x
    x = 1,092,543,991.01/51,564.79
  6. Step 6: Final answer
    x = 21,187.79

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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.