Home / 91,785.33-126,665.69-51,502.01

Finding the Fourth Proportional to 91,785.33, 126,665.69 and 51,502.01

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Solution

The fourth proportional to 91,785.33, 126,665.69 and 51,502.01 is: 71,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.33 : 126,665.69 = 51,502.01 : x
  2. Step 2: Convert to fraction form
    91,785.33/126,665.69 = 51,502.01/x
  3. Step 3: Cross multiply
    91,785.33x = 126,665.69 × 51,502.01
  4. Step 4: Simplify right side
    91,785.33x = 6,523,536,742.20
  5. Step 5: Solve for x
    x = 6,523,536,742.20/91,785.33
  6. Step 6: Final answer
    x = 71,073.85

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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.