Home / 104,402.09-144,075.26-56,655.43

Finding the Fourth Proportional to 104,402.09, 144,075.26 and 56,655.43

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Solution

The fourth proportional to 104,402.09, 144,075.26 and 56,655.43 is: 78,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,402.09 : 144,075.26 = 56,655.43 : x
  2. Step 2: Convert to fraction form
    104,402.09/144,075.26 = 56,655.43/x
  3. Step 3: Cross multiply
    104,402.09x = 144,075.26 × 56,655.43
  4. Step 4: Simplify right side
    104,402.09x = 8,162,645,589.11
  5. Step 5: Solve for x
    x = 8,162,645,589.11/104,402.09
  6. Step 6: Final answer
    x = 78,184.69

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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.