Home / 101,493.08-140,057.58-56,172.94

Finding the Fourth Proportional to 101,493.08, 140,057.58 and 56,172.94

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Solution

The fourth proportional to 101,493.08, 140,057.58 and 56,172.94 is: 77,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,493.08 : 140,057.58 = 56,172.94 : x
  2. Step 2: Convert to fraction form
    101,493.08/140,057.58 = 56,172.94/x
  3. Step 3: Cross multiply
    101,493.08x = 140,057.58 × 56,172.94
  4. Step 4: Simplify right side
    101,493.08x = 7,867,446,037.89
  5. Step 5: Solve for x
    x = 7,867,446,037.89/101,493.08
  6. Step 6: Final answer
    x = 77,517.07

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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.