Home / 56,087.21-77,400.39-32,215.43

Finding the Fourth Proportional to 56,087.21, 77,400.39 and 32,215.43

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Solution

The fourth proportional to 56,087.21, 77,400.39 and 32,215.43 is: 44,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.21 : 77,400.39 = 32,215.43 : x
  2. Step 2: Convert to fraction form
    56,087.21/77,400.39 = 32,215.43/x
  3. Step 3: Cross multiply
    56,087.21x = 77,400.39 × 32,215.43
  4. Step 4: Simplify right side
    56,087.21x = 2,493,486,459.02
  5. Step 5: Solve for x
    x = 2,493,486,459.02/56,087.21
  6. Step 6: Final answer
    x = 44,457.31

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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.