Home / 104,011.09-143,535.22-56,264.43

Finding the Fourth Proportional to 104,011.09, 143,535.22 and 56,264.43

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Solution

The fourth proportional to 104,011.09, 143,535.22 and 56,264.43 is: 77,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,011.09 : 143,535.22 = 56,264.43 : x
  2. Step 2: Convert to fraction form
    104,011.09/143,535.22 = 56,264.43/x
  3. Step 3: Cross multiply
    104,011.09x = 143,535.22 × 56,264.43
  4. Step 4: Simplify right side
    104,011.09x = 8,075,927,338.22
  5. Step 5: Solve for x
    x = 8,075,927,338.22/104,011.09
  6. Step 6: Final answer
    x = 77,644.87

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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.