Home / 101,067.45-151,710.53-56,780.70

Finding the Fourth Proportional to 101,067.45, 151,710.53 and 56,780.70

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Solution

The fourth proportional to 101,067.45, 151,710.53 and 56,780.70 is: 85,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.45 : 151,710.53 = 56,780.70 : x
  2. Step 2: Convert to fraction form
    101,067.45/151,710.53 = 56,780.70/x
  3. Step 3: Cross multiply
    101,067.45x = 151,710.53 × 56,780.70
  4. Step 4: Simplify right side
    101,067.45x = 8,614,230,090.77
  5. Step 5: Solve for x
    x = 8,614,230,090.77/101,067.45
  6. Step 6: Final answer
    x = 85,232.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.