Home / 69,986.16-96,580.08-38,155.32

Finding the Fourth Proportional to 69,986.16, 96,580.08 and 38,155.32

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Solution

The fourth proportional to 69,986.16, 96,580.08 and 38,155.32 is: 52,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.16 : 96,580.08 = 38,155.32 : x
  2. Step 2: Convert to fraction form
    69,986.16/96,580.08 = 38,155.32/x
  3. Step 3: Cross multiply
    69,986.16x = 96,580.08 × 38,155.32
  4. Step 4: Simplify right side
    69,986.16x = 3,685,043,858.03
  5. Step 5: Solve for x
    x = 3,685,043,858.03/69,986.16
  6. Step 6: Final answer
    x = 52,653.89

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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.