Home / 86,344.35-119,155.10-48,618.87

Finding the Fourth Proportional to 86,344.35, 119,155.10 and 48,618.87

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Solution

The fourth proportional to 86,344.35, 119,155.10 and 48,618.87 is: 67,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.35 : 119,155.10 = 48,618.87 : x
  2. Step 2: Convert to fraction form
    86,344.35/119,155.10 = 48,618.87/x
  3. Step 3: Cross multiply
    86,344.35x = 119,155.10 × 48,618.87
  4. Step 4: Simplify right side
    86,344.35x = 5,793,186,073.64
  5. Step 5: Solve for x
    x = 5,793,186,073.64/86,344.35
  6. Step 6: Final answer
    x = 67,093.98

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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.