Home / 86,629.28-119,558.78-52,643.32

Finding the Fourth Proportional to 86,629.28, 119,558.78 and 52,643.32

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Solution

The fourth proportional to 86,629.28, 119,558.78 and 52,643.32 is: 72,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.28 : 119,558.78 = 52,643.32 : x
  2. Step 2: Convert to fraction form
    86,629.28/119,558.78 = 52,643.32/x
  3. Step 3: Cross multiply
    86,629.28x = 119,558.78 × 52,643.32
  4. Step 4: Simplify right side
    86,629.28x = 6,293,971,114.35
  5. Step 5: Solve for x
    x = 6,293,971,114.35/86,629.28
  6. Step 6: Final answer
    x = 72,654.09

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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.