Home / 89,923.04-134,818-43,131.36

Finding the Fourth Proportional to 89,923.04, 134,818 and 43,131.36

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Solution

The fourth proportional to 89,923.04, 134,818 and 43,131.36 is: 64,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.04 : 134,818 = 43,131.36 : x
  2. Step 2: Convert to fraction form
    89,923.04/134,818 = 43,131.36/x
  3. Step 3: Cross multiply
    89,923.04x = 134,818 × 43,131.36
  4. Step 4: Simplify right side
    89,923.04x = 5,814,883,692.48
  5. Step 5: Solve for x
    x = 5,814,883,692.48/89,923.04
  6. Step 6: Final answer
    x = 64,665.11

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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.