Home / 76,327.92-105,263.60-47,650.22

Finding the Fourth Proportional to 76,327.92, 105,263.60 and 47,650.22

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Solution

The fourth proportional to 76,327.92, 105,263.60 and 47,650.22 is: 65,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,327.92 : 105,263.60 = 47,650.22 : x
  2. Step 2: Convert to fraction form
    76,327.92/105,263.60 = 47,650.22/x
  3. Step 3: Cross multiply
    76,327.92x = 105,263.60 × 47,650.22
  4. Step 4: Simplify right side
    76,327.92x = 5,015,832,933.42
  5. Step 5: Solve for x
    x = 5,015,832,933.42/76,327.92
  6. Step 6: Final answer
    x = 65,714.26

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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.