Home / 66,433.13-91,625.88-42,562.04

Finding the Fourth Proportional to 66,433.13, 91,625.88 and 42,562.04

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Solution

The fourth proportional to 66,433.13, 91,625.88 and 42,562.04 is: 58,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.13 : 91,625.88 = 42,562.04 : x
  2. Step 2: Convert to fraction form
    66,433.13/91,625.88 = 42,562.04/x
  3. Step 3: Cross multiply
    66,433.13x = 91,625.88 × 42,562.04
  4. Step 4: Simplify right side
    66,433.13x = 3,899,784,369.60
  5. Step 5: Solve for x
    x = 3,899,784,369.60/66,433.13
  6. Step 6: Final answer
    x = 58,702.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.