Home / 101,924.90-140,653.68-56,601.44

Finding the Fourth Proportional to 101,924.90, 140,653.68 and 56,601.44

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Solution

The fourth proportional to 101,924.90, 140,653.68 and 56,601.44 is: 78,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,924.90 : 140,653.68 = 56,601.44 : x
  2. Step 2: Convert to fraction form
    101,924.90/140,653.68 = 56,601.44/x
  3. Step 3: Cross multiply
    101,924.90x = 140,653.68 × 56,601.44
  4. Step 4: Simplify right side
    101,924.90x = 7,961,200,829.30
  5. Step 5: Solve for x
    x = 7,961,200,829.30/101,924.90
  6. Step 6: Final answer
    x = 78,108.50

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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.