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Finding the Fourth Proportional to 63,143.64, 94,690.71 and 23,679.24

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Solution

The fourth proportional to 63,143.64, 94,690.71 and 23,679.24 is: 35,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.64 : 94,690.71 = 23,679.24 : x
  2. Step 2: Convert to fraction form
    63,143.64/94,690.71 = 23,679.24/x
  3. Step 3: Cross multiply
    63,143.64x = 94,690.71 × 23,679.24
  4. Step 4: Simplify right side
    63,143.64x = 2,242,204,047.86
  5. Step 5: Solve for x
    x = 2,242,204,047.86/63,143.64
  6. Step 6: Final answer
    x = 35,509.58

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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.