Home / 104,726.15-144,522.72-56,979.85

Finding the Fourth Proportional to 104,726.15, 144,522.72 and 56,979.85

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Solution

The fourth proportional to 104,726.15, 144,522.72 and 56,979.85 is: 78,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.15 : 144,522.72 = 56,979.85 : x
  2. Step 2: Convert to fraction form
    104,726.15/144,522.72 = 56,979.85/x
  3. Step 3: Cross multiply
    104,726.15x = 144,522.72 × 56,979.85
  4. Step 4: Simplify right side
    104,726.15x = 8,234,882,907.19
  5. Step 5: Solve for x
    x = 8,234,882,907.19/104,726.15
  6. Step 6: Final answer
    x = 78,632.54

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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.