Home / 104,039.94-143,575.12-56,293.14

Finding the Fourth Proportional to 104,039.94, 143,575.12 and 56,293.14

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Solution

The fourth proportional to 104,039.94, 143,575.12 and 56,293.14 is: 77,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.94 : 143,575.12 = 56,293.14 : x
  2. Step 2: Convert to fraction form
    104,039.94/143,575.12 = 56,293.14/x
  3. Step 3: Cross multiply
    104,039.94x = 143,575.12 × 56,293.14
  4. Step 4: Simplify right side
    104,039.94x = 8,082,294,330.68
  5. Step 5: Solve for x
    x = 8,082,294,330.68/104,039.94
  6. Step 6: Final answer
    x = 77,684.53

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1.5x scale

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.