Home / 101,814.24-140,511.38-56,500.82

Finding the Fourth Proportional to 101,814.24, 140,511.38 and 56,500.82

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Solution

The fourth proportional to 101,814.24, 140,511.38 and 56,500.82 is: 77,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,814.24 : 140,511.38 = 56,500.82 : x
  2. Step 2: Convert to fraction form
    101,814.24/140,511.38 = 56,500.82/x
  3. Step 3: Cross multiply
    101,814.24x = 140,511.38 × 56,500.82
  4. Step 4: Simplify right side
    101,814.24x = 7,939,007,204.27
  5. Step 5: Solve for x
    x = 7,939,007,204.27/101,814.24
  6. Step 6: Final answer
    x = 77,975.41

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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.