Home / 47,457.32-65,489.34-27,320.72

Finding the Fourth Proportional to 47,457.32, 65,489.34 and 27,320.72

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Solution

The fourth proportional to 47,457.32, 65,489.34 and 27,320.72 is: 37,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,457.32 : 65,489.34 = 27,320.72 : x
  2. Step 2: Convert to fraction form
    47,457.32/65,489.34 = 27,320.72/x
  3. Step 3: Cross multiply
    47,457.32x = 65,489.34 × 27,320.72
  4. Step 4: Simplify right side
    47,457.32x = 1,789,215,921.12
  5. Step 5: Solve for x
    x = 1,789,215,921.12/47,457.32
  6. Step 6: Final answer
    x = 37,701.58

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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.