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Finding the Fourth Proportional to 86,882.94, 130,339.29 and 36,963.45

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Solution

The fourth proportional to 86,882.94, 130,339.29 and 36,963.45 is: 55,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882.94 : 130,339.29 = 36,963.45 : x
  2. Step 2: Convert to fraction form
    86,882.94/130,339.29 = 36,963.45/x
  3. Step 3: Cross multiply
    86,882.94x = 130,339.29 × 36,963.45
  4. Step 4: Simplify right side
    86,882.94x = 4,817,789,828.95
  5. Step 5: Solve for x
    x = 4,817,789,828.95/86,882.94
  6. Step 6: Final answer
    x = 55,451.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.