Home / 90,968.01-136,470.30-38,377.26

Finding the Fourth Proportional to 90,968.01, 136,470.30 and 38,377.26

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Solution

The fourth proportional to 90,968.01, 136,470.30 and 38,377.26 is: 57,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968.01 : 136,470.30 = 38,377.26 : x
  2. Step 2: Convert to fraction form
    90,968.01/136,470.30 = 38,377.26/x
  3. Step 3: Cross multiply
    90,968.01x = 136,470.30 × 38,377.26
  4. Step 4: Simplify right side
    90,968.01x = 5,237,356,185.38
  5. Step 5: Solve for x
    x = 5,237,356,185.38/90,968.01
  6. Step 6: Final answer
    x = 57,573.60

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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.