Home / 76,635.86-105,697.44-52,451.15

Finding the Fourth Proportional to 76,635.86, 105,697.44 and 52,451.15

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Solution

The fourth proportional to 76,635.86, 105,697.44 and 52,451.15 is: 72,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,635.86 : 105,697.44 = 52,451.15 : x
  2. Step 2: Convert to fraction form
    76,635.86/105,697.44 = 52,451.15/x
  3. Step 3: Cross multiply
    76,635.86x = 105,697.44 × 52,451.15
  4. Step 4: Simplify right side
    76,635.86x = 5,543,951,751.57
  5. Step 5: Solve for x
    x = 5,543,951,751.57/76,635.86
  6. Step 6: Final answer
    x = 72,341.49

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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.