Home / 92,811.76-128,079.46-50,370.29

Finding the Fourth Proportional to 92,811.76, 128,079.46 and 50,370.29

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Solution

The fourth proportional to 92,811.76, 128,079.46 and 50,370.29 is: 69,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,811.76 : 128,079.46 = 50,370.29 : x
  2. Step 2: Convert to fraction form
    92,811.76/128,079.46 = 50,370.29/x
  3. Step 3: Cross multiply
    92,811.76x = 128,079.46 × 50,370.29
  4. Step 4: Simplify right side
    92,811.76x = 6,451,399,446.11
  5. Step 5: Solve for x
    x = 6,451,399,446.11/92,811.76
  6. Step 6: Final answer
    x = 69,510.58

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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.