Home / 103,670.52-143,063.97-58,348.56

Finding the Fourth Proportional to 103,670.52, 143,063.97 and 58,348.56

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Solution

The fourth proportional to 103,670.52, 143,063.97 and 58,348.56 is: 80,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.52 : 143,063.97 = 58,348.56 : x
  2. Step 2: Convert to fraction form
    103,670.52/143,063.97 = 58,348.56/x
  3. Step 3: Cross multiply
    103,670.52x = 143,063.97 × 58,348.56
  4. Step 4: Simplify right side
    103,670.52x = 8,347,576,637.38
  5. Step 5: Solve for x
    x = 8,347,576,637.38/103,670.52
  6. Step 6: Final answer
    x = 80,520.25

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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.