Home / 43,459.86-64,863.96-40,622.30

Finding the Fourth Proportional to 43,459.86, 64,863.96 and 40,622.30

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Solution

The fourth proportional to 43,459.86, 64,863.96 and 40,622.30 is: 60,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.86 : 64,863.96 = 40,622.30 : x
  2. Step 2: Convert to fraction form
    43,459.86/64,863.96 = 40,622.30/x
  3. Step 3: Cross multiply
    43,459.86x = 64,863.96 × 40,622.30
  4. Step 4: Simplify right side
    43,459.86x = 2,634,922,714.88
  5. Step 5: Solve for x
    x = 2,634,922,714.88/43,459.86
  6. Step 6: Final answer
    x = 60,628.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.