Home / 86,676.48-119,612.16-48,436.56

Finding the Fourth Proportional to 86,676.48, 119,612.16 and 48,436.56

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Solution

The fourth proportional to 86,676.48, 119,612.16 and 48,436.56 is: 66,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676.48 : 119,612.16 = 48,436.56 : x
  2. Step 2: Convert to fraction form
    86,676.48/119,612.16 = 48,436.56/x
  3. Step 3: Cross multiply
    86,676.48x = 119,612.16 × 48,436.56
  4. Step 4: Simplify right side
    86,676.48x = 5,793,601,564.57
  5. Step 5: Solve for x
    x = 5,793,601,564.57/86,676.48
  6. Step 6: Final answer
    x = 66,841.68

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1.5x scale

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.