Home / 66,235.34-99,396.78-31,185.02

Finding the Fourth Proportional to 66,235.34, 99,396.78 and 31,185.02

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Solution

The fourth proportional to 66,235.34, 99,396.78 and 31,185.02 is: 46,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,235.34 : 99,396.78 = 31,185.02 : x
  2. Step 2: Convert to fraction form
    66,235.34/99,396.78 = 31,185.02/x
  3. Step 3: Cross multiply
    66,235.34x = 99,396.78 × 31,185.02
  4. Step 4: Simplify right side
    66,235.34x = 3,099,690,572.24
  5. Step 5: Solve for x
    x = 3,099,690,572.24/66,235.34
  6. Step 6: Final answer
    x = 46,798.14

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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.