Home / 103,549.70-142,903.62-58,241.94

Finding the Fourth Proportional to 103,549.70, 142,903.62 and 58,241.94

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Solution

The fourth proportional to 103,549.70, 142,903.62 and 58,241.94 is: 80,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549.70 : 142,903.62 = 58,241.94 : x
  2. Step 2: Convert to fraction form
    103,549.70/142,903.62 = 58,241.94/x
  3. Step 3: Cross multiply
    103,549.70x = 142,903.62 × 58,241.94
  4. Step 4: Simplify right side
    103,549.70x = 8,322,984,061.82
  5. Step 5: Solve for x
    x = 8,322,984,061.82/103,549.70
  6. Step 6: Final answer
    x = 80,376.71

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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.