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Finding the Fourth Proportional to 63,002.40, 94,406.40 and 54,643.20

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Solution

The fourth proportional to 63,002.40, 94,406.40 and 54,643.20 is: 81,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,002.40 : 94,406.40 = 54,643.20 : x
  2. Step 2: Convert to fraction form
    63,002.40/94,406.40 = 54,643.20/x
  3. Step 3: Cross multiply
    63,002.40x = 94,406.40 × 54,643.20
  4. Step 4: Simplify right side
    63,002.40x = 5,158,667,796.48
  5. Step 5: Solve for x
    x = 5,158,667,796.48/63,002.40
  6. Step 6: Final answer
    x = 81,880.50

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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.