Home / 65,869.92-90,899.64-37,576.08

Finding the Fourth Proportional to 65,869.92, 90,899.64 and 37,576.08

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Solution

The fourth proportional to 65,869.92, 90,899.64 and 37,576.08 is: 51,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.92 : 90,899.64 = 37,576.08 : x
  2. Step 2: Convert to fraction form
    65,869.92/90,899.64 = 37,576.08/x
  3. Step 3: Cross multiply
    65,869.92x = 90,899.64 × 37,576.08
  4. Step 4: Simplify right side
    65,869.92x = 3,415,652,144.61
  5. Step 5: Solve for x
    x = 3,415,652,144.61/65,869.92
  6. Step 6: Final answer
    x = 51,854.51

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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.