Home / 103,758.42-143,191.94-63,459.52

Finding the Fourth Proportional to 103,758.42, 143,191.94 and 63,459.52

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Solution

The fourth proportional to 103,758.42, 143,191.94 and 63,459.52 is: 87,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,758.42 : 143,191.94 = 63,459.52 : x
  2. Step 2: Convert to fraction form
    103,758.42/143,191.94 = 63,459.52/x
  3. Step 3: Cross multiply
    103,758.42x = 143,191.94 × 63,459.52
  4. Step 4: Simplify right side
    103,758.42x = 9,086,891,641.96
  5. Step 5: Solve for x
    x = 9,086,891,641.96/103,758.42
  6. Step 6: Final answer
    x = 87,577.39

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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.