Home / 66,387.74-99,521.33-33,118.00

Finding the Fourth Proportional to 66,387.74, 99,521.33 and 33,118.00

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Solution

The fourth proportional to 66,387.74, 99,521.33 and 33,118.00 is: 49,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,387.74 : 99,521.33 = 33,118.00 : x
  2. Step 2: Convert to fraction form
    66,387.74/99,521.33 = 33,118.00/x
  3. Step 3: Cross multiply
    66,387.74x = 99,521.33 × 33,118.00
  4. Step 4: Simplify right side
    66,387.74x = 3,295,946,992.55
  5. Step 5: Solve for x
    x = 3,295,946,992.55/66,387.74
  6. Step 6: Final answer
    x = 49,646.93

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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.