Home / 104,456.08-144,145.38-56,708.38

Finding the Fourth Proportional to 104,456.08, 144,145.38 and 56,708.38

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Solution

The fourth proportional to 104,456.08, 144,145.38 and 56,708.38 is: 78,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.08 : 144,145.38 = 56,708.38 : x
  2. Step 2: Convert to fraction form
    104,456.08/144,145.38 = 56,708.38/x
  3. Step 3: Cross multiply
    104,456.08x = 144,145.38 × 56,708.38
  4. Step 4: Simplify right side
    104,456.08x = 8,174,250,984.28
  5. Step 5: Solve for x
    x = 8,174,250,984.28/104,456.08
  6. Step 6: Final answer
    x = 78,255.39

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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.