Home / 86,532.96-119,417.04-50,748.78

Finding the Fourth Proportional to 86,532.96, 119,417.04 and 50,748.78

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Solution

The fourth proportional to 86,532.96, 119,417.04 and 50,748.78 is: 70,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.96 : 119,417.04 = 50,748.78 : x
  2. Step 2: Convert to fraction form
    86,532.96/119,417.04 = 50,748.78/x
  3. Step 3: Cross multiply
    86,532.96x = 119,417.04 × 50,748.78
  4. Step 4: Simplify right side
    86,532.96x = 6,060,269,091.21
  5. Step 5: Solve for x
    x = 6,060,269,091.21/86,532.96
  6. Step 6: Final answer
    x = 70,034.23

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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.