Home / 104,727.01-144,522.59-56,980.55

Finding the Fourth Proportional to 104,727.01, 144,522.59 and 56,980.55

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Solution

The fourth proportional to 104,727.01, 144,522.59 and 56,980.55 is: 78,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.01 : 144,522.59 = 56,980.55 : x
  2. Step 2: Convert to fraction form
    104,727.01/144,522.59 = 56,980.55/x
  3. Step 3: Cross multiply
    104,727.01x = 144,522.59 × 56,980.55
  4. Step 4: Simplify right side
    104,727.01x = 8,234,976,665.62
  5. Step 5: Solve for x
    x = 8,234,976,665.62/104,727.01
  6. Step 6: Final answer
    x = 78,632.79

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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.