Home / 109,957.35-164,939.10-38,869.94

Finding the Fourth Proportional to 109,957.35, 164,939.10 and 38,869.94

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Solution

The fourth proportional to 109,957.35, 164,939.10 and 38,869.94 is: 58,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,957.35 : 164,939.10 = 38,869.94 : x
  2. Step 2: Convert to fraction form
    109,957.35/164,939.10 = 38,869.94/x
  3. Step 3: Cross multiply
    109,957.35x = 164,939.10 × 38,869.94
  4. Step 4: Simplify right side
    109,957.35x = 6,411,172,920.65
  5. Step 5: Solve for x
    x = 6,411,172,920.65/109,957.35
  6. Step 6: Final answer
    x = 58,306.00

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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.