Home / 76,660.76-114,981.42-56,968.04

Finding the Fourth Proportional to 76,660.76, 114,981.42 and 56,968.04

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Solution

The fourth proportional to 76,660.76, 114,981.42 and 56,968.04 is: 85,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.76 : 114,981.42 = 56,968.04 : x
  2. Step 2: Convert to fraction form
    76,660.76/114,981.42 = 56,968.04/x
  3. Step 3: Cross multiply
    76,660.76x = 114,981.42 × 56,968.04
  4. Step 4: Simplify right side
    76,660.76x = 6,550,266,133.82
  5. Step 5: Solve for x
    x = 6,550,266,133.82/76,660.76
  6. Step 6: Final answer
    x = 85,444.84

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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.