Home / 51,765.40-77,649.82-14,322.34

Finding the Fourth Proportional to 51,765.40, 77,649.82 and 14,322.34

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Solution

The fourth proportional to 51,765.40, 77,649.82 and 14,322.34 is: 21,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.40 : 77,649.82 = 14,322.34 : x
  2. Step 2: Convert to fraction form
    51,765.40/77,649.82 = 14,322.34/x
  3. Step 3: Cross multiply
    51,765.40x = 77,649.82 × 14,322.34
  4. Step 4: Simplify right side
    51,765.40x = 1,112,127,122.98
  5. Step 5: Solve for x
    x = 1,112,127,122.98/51,765.40
  6. Step 6: Final answer
    x = 21,483.99

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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.