Home / 86,383.39-119,211.05-48,146.87

Finding the Fourth Proportional to 86,383.39, 119,211.05 and 48,146.87

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Solution

The fourth proportional to 86,383.39, 119,211.05 and 48,146.87 is: 66,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.39 : 119,211.05 = 48,146.87 : x
  2. Step 2: Convert to fraction form
    86,383.39/119,211.05 = 48,146.87/x
  3. Step 3: Cross multiply
    86,383.39x = 119,211.05 × 48,146.87
  4. Step 4: Simplify right side
    86,383.39x = 5,739,638,926.91
  5. Step 5: Solve for x
    x = 5,739,638,926.91/86,383.39
  6. Step 6: Final answer
    x = 66,443.78

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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.