Home / 112,750.93-169,126.30-46,191.21

Finding the Fourth Proportional to 112,750.93, 169,126.30 and 46,191.21

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Solution

The fourth proportional to 112,750.93, 169,126.30 and 46,191.21 is: 69,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.93 : 169,126.30 = 46,191.21 : x
  2. Step 2: Convert to fraction form
    112,750.93/169,126.30 = 46,191.21/x
  3. Step 3: Cross multiply
    112,750.93x = 169,126.30 × 46,191.21
  4. Step 4: Simplify right side
    112,750.93x = 7,812,148,439.82
  5. Step 5: Solve for x
    x = 7,812,148,439.82/112,750.93
  6. Step 6: Final answer
    x = 69,286.78

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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.