Home / 86,412-119,200.20-50,595.12

Finding the Fourth Proportional to 86,412, 119,200.20 and 50,595.12

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Solution

The fourth proportional to 86,412, 119,200.20 and 50,595.12 is: 69,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,412 : 119,200.20 = 50,595.12 : x
  2. Step 2: Convert to fraction form
    86,412/119,200.20 = 50,595.12/x
  3. Step 3: Cross multiply
    86,412x = 119,200.20 × 50,595.12
  4. Step 4: Simplify right side
    86,412x = 6,030,948,423.02
  5. Step 5: Solve for x
    x = 6,030,948,423.02/86,412
  6. Step 6: Final answer
    x = 69,792.95

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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.