Home / 69,265.12-95,563.36-42,379.60

Finding the Fourth Proportional to 69,265.12, 95,563.36 and 42,379.60

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Solution

The fourth proportional to 69,265.12, 95,563.36 and 42,379.60 is: 58,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,265.12 : 95,563.36 = 42,379.60 : x
  2. Step 2: Convert to fraction form
    69,265.12/95,563.36 = 42,379.60/x
  3. Step 3: Cross multiply
    69,265.12x = 95,563.36 × 42,379.60
  4. Step 4: Simplify right side
    69,265.12x = 4,049,936,971.46
  5. Step 5: Solve for x
    x = 4,049,936,971.46/69,265.12
  6. Step 6: Final answer
    x = 58,470.08

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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.