Home / 101,505.02-140,073.35-56,183.09

Finding the Fourth Proportional to 101,505.02, 140,073.35 and 56,183.09

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Solution

The fourth proportional to 101,505.02, 140,073.35 and 56,183.09 is: 77,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,505.02 : 140,073.35 = 56,183.09 : x
  2. Step 2: Convert to fraction form
    101,505.02/140,073.35 = 56,183.09/x
  3. Step 3: Cross multiply
    101,505.02x = 140,073.35 × 56,183.09
  4. Step 4: Simplify right side
    101,505.02x = 7,869,752,648.37
  5. Step 5: Solve for x
    x = 7,869,752,648.37/101,505.02
  6. Step 6: Final answer
    x = 77,530.68

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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.