Home / 103,560.08-142,911.97-58,238.38

Finding the Fourth Proportional to 103,560.08, 142,911.97 and 58,238.38

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Solution

The fourth proportional to 103,560.08, 142,911.97 and 58,238.38 is: 80,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560.08 : 142,911.97 = 58,238.38 : x
  2. Step 2: Convert to fraction form
    103,560.08/142,911.97 = 58,238.38/x
  3. Step 3: Cross multiply
    103,560.08x = 142,911.97 × 58,238.38
  4. Step 4: Simplify right side
    103,560.08x = 8,322,961,008.37
  5. Step 5: Solve for x
    x = 8,322,961,008.37/103,560.08
  6. Step 6: Final answer
    x = 80,368.43

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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.