Home / 86,497.29-119,189.07-63,800.31

Finding the Fourth Proportional to 86,497.29, 119,189.07 and 63,800.31

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Solution

The fourth proportional to 86,497.29, 119,189.07 and 63,800.31 is: 87,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,497.29 : 119,189.07 = 63,800.31 : x
  2. Step 2: Convert to fraction form
    86,497.29/119,189.07 = 63,800.31/x
  3. Step 3: Cross multiply
    86,497.29x = 119,189.07 × 63,800.31
  4. Step 4: Simplify right side
    86,497.29x = 7,604,299,614.61
  5. Step 5: Solve for x
    x = 7,604,299,614.61/86,497.29
  6. Step 6: Final answer
    x = 87,913.73

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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.