Home / 65,829.61-90,844.44-35,614.72

Finding the Fourth Proportional to 65,829.61, 90,844.44 and 35,614.72

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Solution

The fourth proportional to 65,829.61, 90,844.44 and 35,614.72 is: 49,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.61 : 90,844.44 = 35,614.72 : x
  2. Step 2: Convert to fraction form
    65,829.61/90,844.44 = 35,614.72/x
  3. Step 3: Cross multiply
    65,829.61x = 90,844.44 × 35,614.72
  4. Step 4: Simplify right side
    65,829.61x = 3,235,399,294.16
  5. Step 5: Solve for x
    x = 3,235,399,294.16/65,829.61
  6. Step 6: Final answer
    x = 49,148.09

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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.