Home / 103,546.92-142,886.70-58,216.44

Finding the Fourth Proportional to 103,546.92, 142,886.70 and 58,216.44

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Solution

The fourth proportional to 103,546.92, 142,886.70 and 58,216.44 is: 80,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.92 : 142,886.70 = 58,216.44 : x
  2. Step 2: Convert to fraction form
    103,546.92/142,886.70 = 58,216.44/x
  3. Step 3: Cross multiply
    103,546.92x = 142,886.70 × 58,216.44
  4. Step 4: Simplify right side
    103,546.92x = 8,318,354,997.35
  5. Step 5: Solve for x
    x = 8,318,354,997.35/103,546.92
  6. Step 6: Final answer
    x = 80,334.16

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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.