Home / 65,829.76-90,845.72-35,615.72

Finding the Fourth Proportional to 65,829.76, 90,845.72 and 35,615.72

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Solution

The fourth proportional to 65,829.76, 90,845.72 and 35,615.72 is: 49,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.76 : 90,845.72 = 35,615.72 : x
  2. Step 2: Convert to fraction form
    65,829.76/90,845.72 = 35,615.72/x
  3. Step 3: Cross multiply
    65,829.76x = 90,845.72 × 35,615.72
  4. Step 4: Simplify right side
    65,829.76x = 3,235,535,775.75
  5. Step 5: Solve for x
    x = 3,235,535,775.75/65,829.76
  6. Step 6: Final answer
    x = 49,150.05

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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.