Home / 86,741.79-119,708.25-52,744.65

Finding the Fourth Proportional to 86,741.79, 119,708.25 and 52,744.65

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Solution

The fourth proportional to 86,741.79, 119,708.25 and 52,744.65 is: 72,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.79 : 119,708.25 = 52,744.65 : x
  2. Step 2: Convert to fraction form
    86,741.79/119,708.25 = 52,744.65/x
  3. Step 3: Cross multiply
    86,741.79x = 119,708.25 × 52,744.65
  4. Step 4: Simplify right side
    86,741.79x = 6,313,969,748.36
  5. Step 5: Solve for x
    x = 6,313,969,748.36/86,741.79
  6. Step 6: Final answer
    x = 72,790.40

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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.