Home / 90,582.30-135,896.94-34,423.38

Finding the Fourth Proportional to 90,582.30, 135,896.94 and 34,423.38

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Solution

The fourth proportional to 90,582.30, 135,896.94 and 34,423.38 is: 51,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.30 : 135,896.94 = 34,423.38 : x
  2. Step 2: Convert to fraction form
    90,582.30/135,896.94 = 34,423.38/x
  3. Step 3: Cross multiply
    90,582.30x = 135,896.94 × 34,423.38
  4. Step 4: Simplify right side
    90,582.30x = 4,678,032,006.46
  5. Step 5: Solve for x
    x = 4,678,032,006.46/90,582.30
  6. Step 6: Final answer
    x = 51,644.00

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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.