Home / 66,403.02-99,635.61-33,125.66

Finding the Fourth Proportional to 66,403.02, 99,635.61 and 33,125.66

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Solution

The fourth proportional to 66,403.02, 99,635.61 and 33,125.66 is: 49,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.02 : 99,635.61 = 33,125.66 : x
  2. Step 2: Convert to fraction form
    66,403.02/99,635.61 = 33,125.66/x
  3. Step 3: Cross multiply
    66,403.02x = 99,635.61 × 33,125.66
  4. Step 4: Simplify right side
    66,403.02x = 3,300,494,842.57
  5. Step 5: Solve for x
    x = 3,300,494,842.57/66,403.02
  6. Step 6: Final answer
    x = 49,703.99

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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.