Home / 90,118.45-135,259.38-48,033.88

Finding the Fourth Proportional to 90,118.45, 135,259.38 and 48,033.88

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Solution

The fourth proportional to 90,118.45, 135,259.38 and 48,033.88 is: 72,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,118.45 : 135,259.38 = 48,033.88 : x
  2. Step 2: Convert to fraction form
    90,118.45/135,259.38 = 48,033.88/x
  3. Step 3: Cross multiply
    90,118.45x = 135,259.38 × 48,033.88
  4. Step 4: Simplify right side
    90,118.45x = 6,497,032,827.79
  5. Step 5: Solve for x
    x = 6,497,032,827.79/90,118.45
  6. Step 6: Final answer
    x = 72,094.37

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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.