Home / 69,986.34-96,579.84-38,155.50

Finding the Fourth Proportional to 69,986.34, 96,579.84 and 38,155.50

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Solution

The fourth proportional to 69,986.34, 96,579.84 and 38,155.50 is: 52,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.34 : 96,579.84 = 38,155.50 : x
  2. Step 2: Convert to fraction form
    69,986.34/96,579.84 = 38,155.50/x
  3. Step 3: Cross multiply
    69,986.34x = 96,579.84 × 38,155.50
  4. Step 4: Simplify right side
    69,986.34x = 3,685,052,085.12
  5. Step 5: Solve for x
    x = 3,685,052,085.12/69,986.34
  6. Step 6: Final answer
    x = 52,653.88

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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.