Home / 90,597.24-135,865.10-34,423.85

Finding the Fourth Proportional to 90,597.24, 135,865.10 and 34,423.85

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Solution

The fourth proportional to 90,597.24, 135,865.10 and 34,423.85 is: 51,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.24 : 135,865.10 = 34,423.85 : x
  2. Step 2: Convert to fraction form
    90,597.24/135,865.10 = 34,423.85/x
  3. Step 3: Cross multiply
    90,597.24x = 135,865.10 × 34,423.85
  4. Step 4: Simplify right side
    90,597.24x = 4,677,000,248.36
  5. Step 5: Solve for x
    x = 4,677,000,248.36/90,597.24
  6. Step 6: Final answer
    x = 51,624.09

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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.