Home / 104,726.40-144,518.11-56,979.94

Finding the Fourth Proportional to 104,726.40, 144,518.11 and 56,979.94

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Solution

The fourth proportional to 104,726.40, 144,518.11 and 56,979.94 is: 78,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.40 : 144,518.11 = 56,979.94 : x
  2. Step 2: Convert to fraction form
    104,726.40/144,518.11 = 56,979.94/x
  3. Step 3: Cross multiply
    104,726.40x = 144,518.11 × 56,979.94
  4. Step 4: Simplify right side
    104,726.40x = 8,234,632,514.12
  5. Step 5: Solve for x
    x = 8,234,632,514.12/104,726.40
  6. Step 6: Final answer
    x = 78,629.96

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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.