Home / 77,491.92-106,898.18-63,984.36

Finding the Fourth Proportional to 77,491.92, 106,898.18 and 63,984.36

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Solution

The fourth proportional to 77,491.92, 106,898.18 and 63,984.36 is: 88,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491.92 : 106,898.18 = 63,984.36 : x
  2. Step 2: Convert to fraction form
    77,491.92/106,898.18 = 63,984.36/x
  3. Step 3: Cross multiply
    77,491.92x = 106,898.18 × 63,984.36
  4. Step 4: Simplify right side
    77,491.92x = 6,839,811,632.46
  5. Step 5: Solve for x
    x = 6,839,811,632.46/77,491.92
  6. Step 6: Final answer
    x = 88,264.84

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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.