Home / 103,687.22-143,091.04-58,366.82

Finding the Fourth Proportional to 103,687.22, 143,091.04 and 58,366.82

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Solution

The fourth proportional to 103,687.22, 143,091.04 and 58,366.82 is: 80,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.22 : 143,091.04 = 58,366.82 : x
  2. Step 2: Convert to fraction form
    103,687.22/143,091.04 = 58,366.82/x
  3. Step 3: Cross multiply
    103,687.22x = 143,091.04 × 58,366.82
  4. Step 4: Simplify right side
    103,687.22x = 8,351,769,174.46
  5. Step 5: Solve for x
    x = 8,351,769,174.46/103,687.22
  6. Step 6: Final answer
    x = 80,547.72

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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.