Home / 103,567.62-142,921.96-58,245.59

Finding the Fourth Proportional to 103,567.62, 142,921.96 and 58,245.59

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Solution

The fourth proportional to 103,567.62, 142,921.96 and 58,245.59 is: 80,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.62 : 142,921.96 = 58,245.59 : x
  2. Step 2: Convert to fraction form
    103,567.62/142,921.96 = 58,245.59/x
  3. Step 3: Cross multiply
    103,567.62x = 142,921.96 × 58,245.59
  4. Step 4: Simplify right side
    103,567.62x = 8,324,573,884.16
  5. Step 5: Solve for x
    x = 8,324,573,884.16/103,567.62
  6. Step 6: Final answer
    x = 80,378.15

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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.