Home / 86,867.96-119,857.11-52,876.08

Finding the Fourth Proportional to 86,867.96, 119,857.11 and 52,876.08

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Solution

The fourth proportional to 86,867.96, 119,857.11 and 52,876.08 is: 72,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,867.96 : 119,857.11 = 52,876.08 : x
  2. Step 2: Convert to fraction form
    86,867.96/119,857.11 = 52,876.08/x
  3. Step 3: Cross multiply
    86,867.96x = 119,857.11 × 52,876.08
  4. Step 4: Simplify right side
    86,867.96x = 6,337,574,136.93
  5. Step 5: Solve for x
    x = 6,337,574,136.93/86,867.96
  6. Step 6: Final answer
    x = 72,956.41

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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.