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Finding the Fourth Proportional to 85,179.65, 127,775.66 and 34,554.38

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Solution

The fourth proportional to 85,179.65, 127,775.66 and 34,554.38 is: 51,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.65 : 127,775.66 = 34,554.38 : x
  2. Step 2: Convert to fraction form
    85,179.65/127,775.66 = 34,554.38/x
  3. Step 3: Cross multiply
    85,179.65x = 127,775.66 × 34,554.38
  4. Step 4: Simplify right side
    85,179.65x = 4,415,207,898.74
  5. Step 5: Solve for x
    x = 4,415,207,898.74/85,179.65
  6. Step 6: Final answer
    x = 51,834.07

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1.5x scale

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.